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larisa86 [58]
2 years ago
14

Select the graph that matches the function y=3x+7

Mathematics
1 answer:
Step2247 [10]2 years ago
4 0

Answer:

the second option

Step-by-step explanation:

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A geologist studying the depths of water in a mountain lake finds that it has changed from 8,300 ft to 8,881 ft over a period of
grigory [225]

Answer:

7.0%

Step-by-step explanation:

Here, we want to get the value of the percentage increase

mathematically, we have the formula for this as follows ;

(new value - old value/old value * 100%

from the question, old value is 8,300 ft and the new value is 8,881 ft

So we have the percentage increase as follows;

(8,881 - 8,300)/8,300 * 100%

= 7.0%

5 0
2 years ago
What is the value of (4-2)^3-3X4
Mazyrski [523]
<h2>Answer:</h2>

3 x^{4}-8=0

<h2>Given: </h2>

(4-2)^{3}-3 x^{4}

<h2>Step-by-step explanation:</h2>

In this problem, we need to find the value of the given expression for which we need to simplify the given expression.

\Rightarrow(4-2)^{3}-3 x^{4}=0

We need to solve the numbers within the parentheses.

\Rightarrow(2)^{3}-3 x^{4}=0

We can bring the constant one side and variables another side.

\Rightarrow 8=3 x^{4}

Taking fourth root for ‘8’ and ‘3’ will give numbers which are very tough to solve further.

Since, we cannot solve the above equation further. The value of the given equation remains,

\therefore 3 x^{4}-8=0

6 0
3 years ago
What is the diameter of this circle?​
ozzi

Answer:

diameter=18 in

radius=9 in

area=254.47 in

circumference=56.55 in

Step-by-step explanation:

<u>Key</u>

C=Circumference

D=Diameter

R=Radius

A=Area

π=pi=3.14159265359

<u>Formulas</u>

2r=d

d/2=r

πr^2=a

(2πr)=c

Brainliest Plz

3 0
3 years ago
What is the surface area of a sphere with a diameter of 6 ft
Aleksandr-060686 [28]

Answer: 113.1ft²

Step-by-step explanation:

The answer is 113.1ft²

7 0
3 years ago
You and your friend Sam are going to paint your 300 square feet room together.
Elza [17]
Fraction that Sam painted in 1 min is:
10/25=2/5
Fraction that you painted in 1 min:
5/25=1/5

Fraction pained by both in 1 min:
1/5+2/5=3/5 ft²/min
Time taken to paint 50 ft² will be:
time=3/5×50=30 min
Thus we conclude that Sam was wrong.

4 0
3 years ago
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