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3 years ago

Can you help me plz? I'll mark brainilest

Mathematics

1 answer:

Vladimir79 [104]3 years ago

8 0

The answer is amplitude

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Is(-3,7) a solution of the equation y=x+15?

Rudiy27

Answer:

I believe it is not. that would mean 7=-3+15 and therefore 7=12, which is not a true statement.

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3 years ago

Which event was most influential in turning American public opinion against Germany?

sesenic [268]

The answer to your question is : C. the invasion of Belgium

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3 years ago

A car drives 40 miles on local roads at 20 mph, and 180 miles on the highway at 60 mph, w Your dinner bill is $25 before tax. Th

Anastasy [175]

Answer and Step-by-step explanation:

$Let's~solve~your~problem!$

Formula :

$speed=\frac{distance}{time}$

Solving for time:

$Time~taken~to~cover~40~miles~on~local~ roads~= \frac{40}{20} = 2~hours$

$Time~taken~to~cover~180~miles~on~the~highway~=$ $\frac{180}{60}=3~hours$

$Total~Time~=~5~hours$

Solving for distance:

 $Total~Distance=40 + 180 = 220$ 

Average speed:

 $\frac{Total~distance}{Total~time} = \frac{225}{5} = 44~miles~per~hour$ 

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3 years ago

Given ƒ(x) = 9x + 54, find x when ƒ(x) = 18. A)−6 B)−4 C)3 D)8

Katen [24]

Answer:

B. -4

Step-by-step explanation:

We want to find x such that f(x)=18.

We need to therefore solve 9x+54=18 forx.

9x+54=18

Divide both sides by 9:

(9x+54)/9=18/9

9x/9+54/9=18/9

Simplify:

x+6=2

Subtract 6 on both sides:

x=2-6

Simplify

x=-4.

So f(-4) should have value 18.

Let's check.

f(x)=9x+54

f(-4)=9(-4)+54

f(-4)=-36+54

f(-4)=18

So the answer is B.

7 0

3 years ago

Read 2 more answers

Mrs. Williams charges $30 per hour for tutoring services plus a one-time fee of $60 for supplies. How many tutoring sessions can

Nata [24]

Answer:

if it is at most yoy cant go over 1,200 but it never said u had to spend any lower if 30x 3=900 + 60 that is 960 so your answer should be 3 hours

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3 years ago