LESSON 7.5 HELP PLEASE .
Find the missing side. Round to the nearest tenth.

Answer:

100 >/ 18x = ~5 markers

Step-by-step explanation:

The teacher can only hand out 100 markers or less. Not more. We can't get to exactly 100 with an interger as our answer. I got 18x from the fact that there are 18 students. X represents how many markers each one will get. X equals 5.555 repeating, but you can't have a decimal amount of markers, but you can't round up. That would mean that the teacher gave out 108 markers. That's not possible.

Answer:

x=4

Step-by-step explanation:

2x+2x+3x-5+3x-5=30

10x-10=30

10x=40

x=4

Answer:

less

Step-by-step explanation:

1 3/4 is equal 1.75 so 1.625 is less than 1 3/4

Answer:

I think it's greater than but it could be less than

Step-by-step explanation:

[tex]x - \frac{y}{m} = x \\ - \frac{y}{m} = x - x \\ \frac{ - y}{m} = 0 \\ - y = 0 \\ y = 0[/tex]

Answer:

Step-by-step explanation:

I CHECKED UR OTHER ONE CHECK IT PETER :>

Answer:

Ranked least to greatest:

l 125 l

l -127 l

l -132 l  

(the absolute value of 125, the absolute value of -127, and the absolute value of -132)

Step-by-step explanation:

Absolute value are the bars around a number that essentially is the distance of that number from ZERO. An easy way to visualize this is through a numberline. Therefore, even negative numbers under the absolute value of, become positive since the distance from zero can't be negative.

Looking at the problem, descending means going down in this case it symbolizes the negative.

So putting absolute value bars around each number we know that the absolute value of 125 is 125.. The absolute value of -132 is 132. The absolute value of -127 is 127.

Ordered from least to greatest we get: 125, 127, 132.

hope that helped! please mark brainliest:)

The actual length and actual width in meters of the community pool are respectively; 28 meters and 10.5 meters

In the scale drawing of Joe as attached, we see that the community pool has a length to width ratio of;

(length : width) = 8 : 3

Let the actual length of the pool be 8x meters and the actual width be 3x meters.

We are told that the actual pool has a perimeter of 77 meters.

Thus;

2(8x + 3x) = 77

22x = 77

x = 3.5

Therefore, the length of the pool is 8x = 8(3.5) = 28 meters.

The width of the pool is 3x = 3(3.5) = 10.5 meters

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Complete Question is;

Joe made a scale drawing of the community pool in his town. the pool has a perimeter of 77 meters, what is the length and width in meters?

From the double number lines which shows the ratio of feet to miles, there are 15840 feet in 3 miles.

A number line can be defined as a type of graph with a graduated straight line which contains both positive and negative numerical values that are placed at equal intervals along its length.

From the given double number lines, we would apply direct proportion as follows:

10,560 feet = 2 miles

X feet = 1 mile

Cross-multiplying, we have:

X = 10,560/2

X = 5280 feet.

Now, we can determine the number of feet in 3 miles:

3 miles = 5280 × 3

3 miles = 15840 feet.

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Complete Question:

The double number lines show the ratio of feet to miles.

How many feet are in 3 miles?

5+3+2=10

Answer: 10:3

Answer:

x=8

Step-by-step explanation:

8x-6=58

58+6

64 because u must get rid of numbers for x, but you get rid of numbers father then x

8x=64

64/8

x=8

hope this helps!

Answer:

x=8

Step-by-step explanation:

Answer: k = 9

Step-by-step explanation:

(Add 6.8 to both sides.)

2.7(k-8)=-4.1+6.8

(Simplify  -4.1+6.8  to  2.7)

2.7(k-8)=2.7

(Divide both sides by 2.7)

k-8=1

(Add 88 to both sides.)

k=1+8

(Simplify  1+8 to  9)

k=9

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Answer:

x = -3

Step-by-step explanation:

I assume we're solving for x.

9x -5x = -12

Combine like terms.

4x = -12

Divide both sides by 4.

x = -3

Answer:

y = -5x + 16

Step-by-step explanation:

Parallel lines have the same slope.  The slope is -5.  We need to find the y-intercept.  We will use the slope(-5) the x (3) and the y (1) to find this.

y = mx + b  Plug in what we know

1 = -5(3) + b

1 = -15 + b  Add 15 to both sides

16 = b

y = mx + b

y = -5x + 16

Answer:(15,0)

Step-by-step explanation:

Sana's boss owe her $36.60   wages more per week at a local store as a gross pay

Last week Sana worked 46 hours

So let us calculate her wages for the last week

For regular 40 hours she earns $11.15 per hour

Her earning for regulars 40 hours = 40× 11.15 = 446

Now we need to calculate her earning for overtime

She overworked for 46 hours less 40 hours= 6 hours

And for every overtime hour she gets one and a half times the original wages

Her overtime wages= 6 hours × $11.15 ×1.5times

                                   = 6 × 11.15 × 1.5

                                   =103.50

So her total earning of last week should be 446+ 103.50 which comes out to be $549.5

Sana is being paid only $512.90 which means Sana's boss owe her $36.60 more

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Answer:  y= -3/2x+3

Step-by-step explanation:

See attached work

Answer:

One train is traveling at 40 mph and the other train is traveling at 50 mph

Step-by-step explanation:

Distance = rate times time

If I add the two rates and times together, I will get the total distance

Train 1

Rate x + 10

Time 3

Train 2

Rate x

Time x

3(x + 10) + 3x = 270  Distribute the 3

3x + 30 + 3x = 270  Combine like terms

6x + 30 = 270  Subtract 30 from both sides of the equation

6x = 240  Divide both sides by 6

x = 40  This is the slower train.  Add 10 for the faster train.

The solution to the given equality is of s = 2.

The equation for this problem is given by:

(3 and 1/10) s = 6 and 1/5.

The mixed numbers as decimals are given as follows:

Hence the equation with decimal numbers is given by:

3.1s = 6.2

s = 6.2/3.1

s = 2.

The solution to the given equality is of s = 2.

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The symbol for element of , is B. ∈.

The set operation involves different operation that is been used in solving problems related to set in , mathematics.

It involves the use of different symbol, such as symbol  ∪ which   is been employed to denote the union of two sets. , instance of this is when  set A ∪ B implies that  “A union B” and  the set that consists of all elements  that can be attributed to both A and B.

In conclusion, the symbol  ∈ implies that some element belongs to a particular set A , therefore option B is correct.

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Answer: 8

Step-by-step explanation: 8 minus 3 would be 5, subtracting 10 would then get to -5 (simplified)

It should be noted that one third times the difference of thirty and a variable is three fourths will be D. one third times y minus 30 equals three fourths

It should be noted that an expression simply shows that relationship between the numbers and the variables that are explained.

In this case, it should be noted that one third times the difference of thirty and a variable is three fourths will be one third times y minus 30 equals three fourths

Therefore, the appropriate explanation that first the information illustrated is D.

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Answer:

The guy above me is correct its D :)

Step-by-step explanation:

please don't delete this again :)

have a goody day

ma'am or sir  

Answer:

Question 1:

[tex]{ \tt{(f +G)(x) = ( {x}^{2} + 2x - 3) + (3 {x}^{2} - x + 7)}} \\ \\ { \tt{ = ( {x}^{2} + 3 {x}^{2}) + (2x - x) + ( - 3 + 7) }} \\ \\(f + G)(x) = { \tt{4 {x}^{2} + x + 4 }}[/tex]

Question 2:

[tex]{ \tt{(f - G)(x) = ( {x}^{2} + 2x - 3) - (3 {x}^{2} - x + 7) }} \\ \\ = { \tt{( {x}^{2} - 3 {x}^{2} ) + (2x - ( - x)) + ( - 3 - 7)}} \\ \\ (f - G)(x) = { \tt{ - {2x}^{2} + 3x - 10 }}[/tex]

Answer:  

12 24 3.5 1

Step-by-step explanation:

12

24

3.5

1

= 40.5 as your answer

The correct exponent is 6².

A number's exponent indicates how many times to multiply it. Exponents might also be called powers or indices.

The base number (b) and the exponent (or power) number are both used in the mathematical operation known as exponentiation, abbreviated as bⁿ . It is pronounced "b (raised) to the (power of) n" in English. Exponentiation, where n is a positive integer, is the process of repeatedly multiplying bases; the result is known as bⁿ.

Subtract the exponent of the denominator from the exponent of the numerator to determine the quotient of two numbers with the same base. The (aᵇ)ⁿ = aⁿᵇ exponent power rule applies. Multiply the exponent by the power to raise a number with that exponent to that power.

The given expression is [tex]\frac{6\times6\times6\times6\times6\times6\times6}{6\times6\times6\times6\times6} = \frac{6^7}{6^5}[/tex]

Now we will use the properties of exponents :

6⁷⁻⁵=6²

Hence the required exponent is 6².

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Answer:

H(t) = 43in + (2in/year)*t.

Step-by-step explanation:

im right

x2-2x-3

there u go :)

Answer:

(-1/2,0)

Step-by-step explanation:

The sequence that can be modeled by the expression is T(n+1) = Tn + 2x - 3 where n >= 1

The expression of the first difference is given as

2x - 3

Rewrite properly as

d = 2x - 3

Where the common difference is represented by d

The second difference of an arithmetic sequence is calculated as

d = T3 - T2

So, we have

T3 - T2 = 2x - 3

Add T2 to both sides of the equation

So, we have

T3 = T2 + 2x - 3

Express 3 as 2 + 1

So, we have

T(2+1) = T2 + 2x - 3

Express 2 as n

So, we have

T(n+1) = Tn + 2x - 3 where n >= 1

Hence, the sequence that can be modeled by the expression is T(n+1) = Tn + 2x - 3 where n >= 1

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