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BabaBlast [244]
2 years ago
9

HELP ASAP WILL MARK BRAINLIEST IF RIGHT!

Mathematics
1 answer:
ElenaW [278]2 years ago
5 0

Answer: -15

Step-by-step explanation:

f(-8) is the value of y / f(x) when x = -8 in the function f(x)

f(-8) = -5

g(4) is the value of y / f(x) when x = 4 in the function g(x)

g(4) = 5

-1 * f(-8) - 4 * g(4)

Substitute -5 for f(-8) and 5 for g(4)

-1 * -5 - 4 * 5 (evaluate, note: remember order of operations)

5 - 4 * 5

5 - 20

-15

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Solve the equation for y <br> 1/2y - 21/4 = -35/4
mina [271]

Answer:

1/2y - 21/4 = -35/4

1/2y  = 21/4  -35/4

1/2y  =   - 7/4

y =   - \frac{7}{2}

5 0
2 years ago
HELP WITH THESE 3 questions please !!! Please dont give me the wrong answers thanks I really need help
natta225 [31]

Answer:

We use similar triangles to get

16

15

25

brainliest pls

5 0
2 years ago
Will mark brainliest if answered correctly!
Dima020 [189]
<h3>Answer: </h3>

about 1.768 seconds

<h3>Explanation:</h3>

Since the phone is <em>dropped</em>, the first equation applies. The final height is assumed to be zero, so we have ...

... h(t) = 0 = -16t² +50

... 16t² = 50 . . . . . . . . add 16t²

... t² = 50/16 . . . . . . . . divide by 16

... t = √3.125 . . . . . . . take the square root

... t ≈ 1.768 . . . . . . . . round to milliseconds

5 0
3 years ago
(05.05)
kari74 [83]

Answer:

2

Step-by-step explanation:

f(-1)=2(-1)+2+1

f(-1)=-2+2+1

f(-1)=1

f(0)=2(0)+2+1

f(0)=0+2+1

f(0)=3

Use slope formula for the average rate of change.

(y2-y1)/(x2-x1)

(3-1)/(0+1)

(2)/(1)

2

Hope this helps!

If not, I am sorry.

5 0
2 years ago
Plz help It’s important
denis-greek [22]

Answer:

do 24 points i know it very well

8 0
2 years ago
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