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3 years ago

Please help me i will mark brainly

Mathematics

1 answer:

emmainna [20.7K]3 years ago

7 0

Answer: o?

Step-by-step explanation:

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the length of a rectangular poster is 10 inches longer than the width. if the perimeter of the poster is 124 inches, what is the

Jlenok [28]

The formula for the perimeter is 2L + 2W.

Since we know that L=10+W, we can substitute this into the equation.

2(10+W) +2W=124

20+2W + 2W=124

4W +20 = 124

4W=104

W=26

Therefore, the width is 26 inches.

6 0

3 years ago

I will give branliest to whoever answers this correctly.

Sergio039 [100]

Answer:

-8√6

-19.59

Step-by-step explanation:

3 0

4 years ago

What is the simplified form of x+6/x+4 +x-3/3

xeze [42]

Answer:

3x+2

Step-by-step explanation:

x+6/x+4+x-3/3

3x+6/4-3/3

3x+6/1/3

3x+6/3

3x+2

3 0

3 years ago

How do you write an equation in slope-intercept form for the line with a slope 5 and y-intercept -5

noname [10]

Answer:

y=5x-5.

Step-by-step explanation:

slope-intercept form of a line is y = mx+b, where m is the slope and b is the y intercept. Simply plug in the numbers you get.

Thus, we get y = 5x-5.

8 0

3 years ago

Two triangular prisms are similar. The perimeter of each face of one prism is double the perimeter of the

shepuryov [24]

The area of a shape is the amount of space it can occupy.

The surface area of the larger prism is 4 times the surface area of the smaller prism.

Let the dimension of one side of the smaller prism be: l and w

Let the dimension of one side of the bigger prism be: L and W

So, we have:

$L = 2l$

$W =2w$

The area of these corresponding sides are:

$A_1 =l \times w$ ---- the first

$A_1 = lw$

While, the area of the second is:

$A_2 =2l\times 2w\\$

$A_2 =4lw$

The ratio of these two sides are:

$Ratio = A_1 : A_4$

This gives

$Ratio = lw : 4lw$

Cancel out common terms

$Ratio = 1 : 4$

Express as fractions

$Ratio = \frac 14$

Also, we have:

$Ratio = \frac{Small}{Large}$

This gives

$\frac{Small}{Large} = \frac 14$

Cross multiply

$Large = 4 \tiimes Small$

$Large = 4\4Small$

Hence, option (c) is true