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3 years ago

Please help me

Mathematics

2 answers:

Gala2k [10]3 years ago

8 0

Answer: Option B 2/3

Length of sandwich Molly bought = 6 foot

Total number of people in the family = 9

To find how many feet of the sandwich can each family member receive if they share the sandwich equally, we divide the length of sandwich by total number of people in the family.

Number of feet each one receive = $\frac{6}{9}$ = $\frac{2}{3}$

Option B is correct

Andrej [43]3 years ago

5 0

B 2/3

Solution

6÷9= 2/3

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Express the following equation in slope intercept form: 8x-2y=10<br> PLEESSSSSSSSSSSSSE

fenix001 [56]

Answer:

$y2 - y1 \div x2 - x1$

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3 years ago

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Usimov [2.4K]

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3 years ago

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Help me help me answer this

Leya [2.2K]

If both triangles are congruent (that's what the sign means), then AD=CB, and CD=AB. Substituting what we are given into CD=AB,

6x-5=3x+10

Solving the equation:

3x=15

x=5

So we know that 2x+4 (the value of AD) becomes 2*5 +4, and you get 14. Since we know that AD=CB, then CB is also 14. No need to find y!

Answer: CB=14

8 0

3 years ago

What is the y-value of the vertex of the function f(x) = –(x + 8)(x – 14)?

maxonik [38]

we have

$f(x)=-(x+8)(x-14)$

Convert to vertex form

$f(x)=-(x+8)(x-14)\\f(x)=-( x^{2}-14x+8x-112) \\f(x)=-( x^{2}-6x-112)\\f(x)=-x^{2}+6x+112$

we know that

the equation of a vertical parabola in vertex form is equal to

$y=a(x-h)^{2} +k$

where

(h,k) is the vertex

$f(x)=-x^{2}+6x+112$

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

$f(x)-112=-(x^{2}-6x)$

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

$f(x)-112-9=-(x^{2}-6x+9)$

$f(x)-121=-(x^{2}-6x+9)$

Rewrite as perfect squares

$f(x)-121=-(x-3)^{2}$

$f(x)=-(x-3)^{2}+121$

the vertex is the point $(3,121)$

therefore

<u>the answer is </u>

The y-value of the vertex is $121$

8 0

4 years ago

How do u find the slope between the points (-5,2) and (3,9)

Whitepunk [10]

You need to rise divided by the run. Another way to put it is
m = (y2 - y1)/(x2 - x1)
Take your points and plug them in
m = (2 - 9)/(-5 - 3) = (-7)/(-8) = 7/8 is the slope

7 0

3 years ago