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3 years ago

How do you find the area for this problem

Mathematics

2 answers:

slavikrds [6]3 years ago

6 0

1. A = s² + 1/2bh
    A = (x)² + 1/2(yz)
    A = x² + 1/2y1/2zft²
2. A = s² + 1/2bh
    A = (7)² + 1/2(3)(2)
    A = 49 + 1/2(6)
    A = 49 + 3
A = 52ft²

g100num [7]3 years ago

3 0

As the figure consists of a rectangle and a right angled triangle.
Therefore area =
$xz + \frac{1}{2} zy$
$z(x+ \frac{y}{2} )$
The area of this figure is $17 feet^{2}$

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Which of the following is a factor of 7x2 - 12x - 4? (6 points)

grin007 [14]

Answer:

We conclude that 'None of the above' is the correct answer.

Step-by-step explanation:

Given the expression

$7x^2\:-\:12x\:-\:4$

Breaking the expression into groups

$7x^2\:-\:12x\:-\:4=\left(7x^2+2x\right)+\left(-14x-4\right)$

Factor out $x$ from $7x^2\:+\:2x$

$=x\left(7x+2\right)$

Factor out -2 from $\left(-14x-4\right)$

$=-2\left(7x+2\right)$

so the expression becomes

$7x^2\:-\:12x\:-\:4=\left(7x^2+2x\right)+\left(-14x-4\right)$

$=x\left(7x+2\right)-2\left(7x+2\right)$

Factor out the common term $7x+2$

$=\left(7x+2\right)\left(x-2\right)$

Therefore, from the given options, we conclude that 'None of the above' is the correct answer.

4 0

3 years ago

The table shows the distance y (in miles) that you travel on a road in x minutes. What type of function best models the data?

evablogger [386]

Answer:

Linear Function

Step-by-step explanation:

Given

The table showing values of x and y

Required

Determine the type of function

To determine the type of function, the table represents;

One will need to determine the table equation.

Start by solving for the slope;

$m = \frac{y_1 - y_2}{x_1 - x_2}$

When x - 0; y = 0 and When x = 80; y = 60.

This gives

$m = \frac{0 - 60}{0 - 80}$

$m = \frac{- 60}{- 80}$

$m = \frac{3}{4}$

The formula is determine as follows;

$y - y_1 = m(x - x_1)$

When x - 0; y = 0; m = 3/4; This gives

$y - 0 = \frac{3}{4}(x - 0)$

$y = \frac{3}{4}(x - 0)$

Open Bracket

$y = \frac{3}{4}x - 0$

$y = \frac{3}{4}x$

The above is an example of a linear equation.

<em>Hence; option B answers the question</em>

8 0

3 years ago

a penny is dropped from the top of the statue of liberty which is 305 feet tall . the height of the penny, (h,) at time (t) seco

monitta

After 4 sec

h=-16×4^2+305=49

total height = 305

remaining height=305-49=256

I am not suree.

8 0

3 years ago

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A new alloy is made by mixing 72 grams of iron with 9 grams of zinc. How many grams of iron are required to make the alloy when

iren2701 [21]

1152 grams of iron are required to make the alloy when combined with 144 grams of zinc

Step-by-step explanation:

We will use the proprtion to solve the problem

Let x2 be the quantity of iron when combined with 144 grams of zinc

So,

zinc in first alloy = z1 = 9 gm

Iron in first alloy = x1 = 72 gm

Zinc in second alloy = 144 gm

So,

$x_1:z_1::x_2:z_2\\72:9:: x_2 : 144\\\frac{72}{9} = \frac{x_2}{144}\\8 = \frac{x_2}{144}\\x_2 = 144*8\\x_2 = 1152$

Hence,

1152 grams of iron are required to make the alloy when combined with 144 grams of zinc

Keywords: Fractions, proportion

Learn more about fractions at:

#LearnwithBrainly

5 0

3 years ago

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6th grade math help me plzzz

miskamm [114]

It’s 75%

Explanation
I remember learning this stuff

7 0

3 years ago

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