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2 years ago

12

For the problem I tried dividing but my answers were not correct. How can I solve this problem then? Can someone help me out her

e please?

1 answer:

astraxan [27]2 years ago

3 0

Answer:

8

Step-by-step explanation:

5 = 40

1 = x

Then we multiply by the rule of crisscrossing

5 x X = 40 x 1

5x = 40 then divide both by 5

X = 8

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amid [387]

Answer:

Option A

Step-by-step explanation:

Jessica divides the ribbon in three parts out of which length of one part = $3\frac{1}{2}$ inches

Let the length of other two parts = x inches

Total length of whole ribbon = 12 inches

$3\frac{1}{2}+x+x=12$

$3\frac{1}{2}+2x=12$

$2x=12-3\frac{1}{2}$

$2x=12-\frac{7}{2}$

$2x=\frac{24-7}{2}$

$2x=\frac{17}{2}$

$x=\frac{17}{4}$

$x=7\frac{1}{4}$ inches

Therefore, option A will be the answer.

7 0

3 years ago

Read 2 more answers

A student ran a distance of miles each day for 5 days. Then the student ran a distance of 44 miles each day for the next 5 days.

Law Incorporation [45]

Answer:

its 38 3/4

Step-by-step explanation:

d₂ = distance covered each day in the next 5 days From the question, Given: d₁ = 3 miles = 7/2 miles T = 5 Days d₂ = 4 miles = 17/4 miles Substitute these values into equation 1 D = [ (7/2)×5]+ [ (17/4)×5] D = 17.5+21.25 D = 38.75 miles

3 0

2 years ago

consider the function f(x) = x2 2x – 15. what are the x-intercepts of the function? left-most x-intercept: ( , 0) right-most x-i

eimsori [14]

we have

$f(x)=x^{2} +2x-15$

we know that

The x-intercept is the value of x when the value of the function is equal to zero

so

in this problem

Find the roots of the function

equate the function to zero

$x^{2} +2x-15=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$x^{2} +2x=15$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} +2x+1=15+1$

$x^{2} +2x+1=16$

Rewrite as perfect squares

$(x+1)^{2}=16$

Square root both sides

$(x+1)=(+/-)\sqrt{16}$

$(x+1)=(+/-)4$

$x=-1(+/-)4$

$x1=-1+4=3$

$x2=-1-4=-5$

$x^{2} +2x-15=(x-3)(x+5)$

therefore

<u>the answer is</u>

the x-intercepts are the points $(3,0)$ and $(-5,0)$

3 0

3 years ago

Read 2 more answers

Please help with no links +100 POINTS.

exis [7]

44

Step-by-step explanation:

The line is pointing to 44 and the small lines are counting by two

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3 years ago

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I need help please ASAP

Vika [28.1K]

Answer:

WXR=33

Step-by-step explanation:

5 0

2 years ago