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Darya [45]
3 years ago
13

Please help!! due in 5 mins

Mathematics
1 answer:
Serhud [2]3 years ago
6 0
Question 8 should be y=-5/2x-1. And question 9 should be y=1/2x-7.
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If m angle B=m angle D=34 , A what must m angle C be to prove quadrilateral ABCD is a parallelogram?
eimsori [14]
A is the answer
180-34= 146
7 0
3 years ago
John runs 4 miles in 30 minutes. at the same rate, how many miles would he run in 48 minutes?
dimulka [17.4K]
Make a ratio, then cross multiply.

4/30=x/48

30x=4x48
30x=192
x=6.4
3 0
4 years ago
Find the y-coordinate of the y-intercept of the polynomial function defined below.
gayaneshka [121]
The y-intercept would be (0,8) because the last number on the equation, aka the c value, is you y-intercept.
5 0
3 years ago
The volume of a sphere is 36 cubic inches. What is the radius of the sphere?
Serjik [45]

Answer:

2.05 inches

Step-by-step explanation:

V = 4/3 x πr³

36=4πr³/3

36x3= 4πr³

108= 4πr³

108/4 = πr³

27= πr^3

27/π =r³

r=

\sqrt[3]{27 \div \pi}

r= 2.048in

round off to 2.05in

<u>PROOF</u>

V = 4÷3 x πr³

V= 4/3 x π(2.05)³

V=4/3 x π8.6

V=4×π×8.6/3

V=108/3

V=36in³

Therefore: radius= <u>2.05 inches</u>

8 0
3 years ago
Given f(x) = 2x-3, what is the value of f(3)?
ValentinkaMS [17]

Answer:

3

Step-by-step explanation:

f(3)=2(3)-3

You just plug in the number for the variable.

3 0
3 years ago
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