3 years ago

Help I need help asap please help me

Mathematics

2 answers:

kvasek [131]3 years ago

8 0

The answer is d because that is the answer (needed 20 characters)

vladimir2022 [97]3 years ago

4 0

The answer would be d, if your using Plato

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Simplify 5 – 2y + (-8y) + 5.5.

zavuch27 [327]

Answer:

-10y + 10.5

Step-by-step explanation:

5 - 2y + (-8y) + 5.5

5 - 2y - 8y +5.5

-10y + 10.5

3 0

3 years ago

Read 2 more answers

1. Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 24. How old is each

Andre45 [30]

Answer:

a) Let Kim's age be k, then Kim's sister's age is k/2

k+ $\frac{k}{2}$ =24

b) k+ $\frac{k}{2}$ =24

1 $\frac{1}{2}$ k=24

k=16

$\frac{k}{2}$ =8

Kim's age is 16 while her sister's age is 8.

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3 years ago

A rental car company charges $15/day for a rental car plus 20¢ for every mile driven that day. Which equation models the relatio

nikdorinn [45]

<span>R=15d+0.20R=15d+0.20 is the answer</span>

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3 years ago

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What is the vertex of the function?

egoroff_w [7]

<h2>Explanation:</h2><h2></h2>

Here you haven't provided any function, so I'll assume this one:

$f(x)=3x^2-18x+33$

This is a quadratic function whose graph represents a parabola. Any parabola has its vertex at the point:

$V(x,y) \\ \\ \\ x=-\frac{b}{2a} \\ \\ y=f(-\frac{b}{2a}) \\ \\ \\ where: \\ \\ \\ f(x)=ax^2+bx+c \\ \\ \\ So: \\ \\ a=3 \\ \\ b=-18 \\ \\ c=33$

Therefore:

$x=-\frac{(-18)}{2(3)}=3 \\ \\ f(3)=3(3)^2-18(3)+33=27-54+33=6$

Therefore, the vertex is:

$\boxed{V(3,6)}$

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4 years ago

Find the measurements

alexandr1967 [171]

Answer:

X=75 y=90

Step-by-step explanation:

180-105=75

X=75

180-90=90

Y=90

5 0

3 years ago

Help I need help asap please help me ​

Help I need help asap please help me