3 years ago

X + (y + 2) = (x + y) + z. A. False B. True

Mathematics

1 answer:

Serga [27]3 years ago

5 0

A .
this is false
There’s no answer for x and y

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Solve for $a$: $3a-7(3-a)=5$. Express your answer as a common fraction in simplest form.

SashulF [63]

Answer:

2.6

Step-by-step explanation:

just put one part of the equation in y1 and the other in y2 and hit 2nd trace 5 an hit enter 4 times

then it will bring a graph hit enter 3 time again and it will show u the answer at the bottom left

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3 years ago

isabel thinks she has space for a 45 inch wide book case it turns out she only has space for a 40 inch wide book case what is th

Minchanka [31]

Answer:

The percent error in Isabel's measurement is 12.5%.

Step-by-step explanation:

Given:

Isabel thinks she has space for a 45 inch wide bookcase it turns out she only has space for a 40 inch wide bookcase.

Now, to find the percent error in Isabel's measurement.

Measurement she thinks = 45 inch.

The actual measurement = 40 inch.

So, the error in measurement = $45-40=5\ inch.$

Now, to get the percent error of the measurement:

$\frac{5}{40} \times 100$

$=\frac{500}{40}$

$=12.5\%.$

Therefore, the percent error in Isabel's measurement is 12.5%.

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4 years ago

Explain how you can find each decimal form in problem 4 using the decimal form 1/20

dem82 [27]

The decimal form of 1/20 would be 5/100 which is 0.05

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3 years ago

Which state ment is true? 1) The y-intercept of Function A is greater than the y-intercept of Function B 2) the y-intercept of f

dolphi86 [110]

Answer:

I believe the answer is 1)

Step-by-step explanation:

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3 years ago

A box is to be constructed with a rectangular base and a height of 5 cm. If the rectangular base must have a perimeter of 28 cm,

Svetradugi [14.3K]

Answer:

The quadratic equation that best models the volume of the box (in terms of W) is:

$70W-5W^2$

Step-by-step explanation:

The perimeter of the rectangular base = 28cm

Perimeter of a rectangle = 2(L+W)

2(L+W)=28

L+W=14

L=14-W

Volume of the Box= LWH

Since L=14-W and Height Of the Box= 5cm

Volume of the Box= (14-W)W X 5

$=5(14W-W^2)\\ =70W-5W^2$

6 0

3 years ago

Read 2 more answers