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Molodets [167]
3 years ago
10

I need your help plzzzzzzzz

Mathematics
1 answer:
stira [4]3 years ago
8 0

Answer:

-3/4 or 3/4 I'm not totally sure tbh

Step-by-step explanation:

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How can the additive inverse be used to evaluate the problem below -3-(-6)
Marina CMI [18]
Since there are two subtraction signs next to each other, you can look at them both as one plus sign. So now the problem is -3+6 which equals 3.( Hope this helps)

-3-(-6)
-3+6
3
3 0
4 years ago
If f (2) = (x – 3)2 + 5, find f (-4).<br> 6<br> -44<br> 4<br> 54
Aleksandr-060686 [28]

Answer:

(-4-3)^2+5

(-7)^2+5

49+5= 54

6 0
4 years ago
Find Volume for the cones. Round to the nearest TENTH. (A) Radius of 2 in, and a height of 4 inches (B) Diameter of 6 m, and a h
Aleksandr-060686 [28]

Answer:

A. 16.8 in³

B. 28.3 m³

C. 65.4 in³

Step-by-step explanation:

The volume of a cone is given as:

V = ⅓ * pi * r² * h

Where r = radius of base of cone

h = height of cone

A. Radius = 2 inches, height = 4 inches

It's volume is:

V = ⅓ * pi * 2² * 4

V = 16.8 in³

B. Diameter of 6 m, and a height of 3 m

It's diameter is 6 m, therefore, it's radius is:

r = d / 2 = 6 / 2 = 3 m

It's volume is:

V = ⅓ * pi * 3² * 3

V = 28.3 m³

C. Diameter of 5 in, and a height of 10 in

It's diameter is 5 in, therefore, it's radius is:

r = d / 2 = 5 / 2 = 2.5 m

It's volume is:

V = ⅓ * pi * 2.5² * 10

V = 65.4 in³

6 0
3 years ago
the value of y varies directly with x, and when x = 1/4 , y = 25. What is the value of y when x is 2 1/3 need help ASAP
Grace [21]

Answer:

y=233\frac{1}{3}

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

In this problem we have

For x=1/4, y=25

Find the value of k (constant of proportionality)

y/x=k -----> k=25/(1/4)=100

The linear equation is

y=100x

Find the value of y when the value of x=2\frac{1}{3}

substitute the value of x in the equation but first convert to an improper fraction

x=2\frac{1}{3}=\frac{2*3+1}{3}=\frac{7}{3}

y=100(\frac{7}{3})=\frac{700}{3}

convert the result in mixed number

\frac{700}{3}=\frac{699}{3}+\frac{1}{3}=233\frac{1}{3}

3 0
4 years ago
If m∠2 = 55°, what is m∠4?
katrin [286]

Answer:

m∠4:55°

Step-by-step explanation:

this is because 2 and 4 are congruent to each other

7 0
4 years ago
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