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ra1l [238]
3 years ago
12

Simplify 6 - 2 3 + (-9 + 5) · 2.

Mathematics
2 answers:
Lapatulllka [165]3 years ago
7 0
I think the answer is -25
Licemer1 [7]3 years ago
4 0
Answer: -25

Hope this helps! <3
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My homework says, "Does the graph represent a proportional relationship? Why or why not? You MUST explain to get credit."
VMariaS [17]

Answer:

No, the graph does not represent a proportional relationship. It is a straight line, but it does not intersect the point (0, 0). ... It's not proportional because the line does not cross through the origin. Therefore the ratio of x to y will be different for two different points on the line.

4 0
3 years ago
Which of the following natural landmarks can be found in the Great Plains of Texas O Guadalupe Peak O Sam Houston National Fores
sergiy2304 [10]

Answer:

the Palo Duro Canyon is found in the Great Plains of Texas.

7 0
3 years ago
4x-5y=15<br> can someone plz explain this
AVprozaik [17]
Well if you are solving for y 
the answer is 

Y= 4/5x- 3

if you are solving for x 
the answer is 
X=5/4y + 15/4

*look at the image for the work*

7 0
3 years ago
The angle between the top of a building and a point 80 feet away from the base (on level ground) is 70° . To the nearest foot, h
alekssr [168]

Answer: 220 feet tall

Step-by-step explanation:

1. Draw!

2. Use trigonometric ratios to solve for the height (Remember SOH CAH TOA)

3 0
2 years ago
Read 2 more answers
What is the diameter of a hemisphere with a volume of 257 m^3
Alex73 [517]

Answer:

9.9

Step-by-step explanation:

\text{Volume of Hemisphere}\text{:}

Volume of Hemisphere:

\,\,257

257

\text{Volume of Sphere}\text{:}

Volume of Sphere:

\,\,514

514

Double volume of hemisphere to get volume of the entire sphere

\text{Volume of a Sphere:}

Volume of a Sphere:

V=\frac{4}{3}\pi r^3

V=

3

4

​

πr

3

514=

514=

\,\,\left(\frac{4}{3}\pi\right) r^3

(

3

4

​

π)r

3

514=

514=

\,\,(4.1887902)r^3

(4.1887902)r

3

Evaluate 4/3pi in calc

\frac{514}{4.1887902}=

4.1887902

514

​

=

\,\,\frac{(4.1887902)r^3}{4.1887902}

4.1887902

(4.1887902)r

3

​

Evaluate \frac{4}{3}\pi

3

4

​

π in calc

122.7084611=

122.7084611=

\,\,r^3

r

3

\sqrt[3]{122.7084611}=

3

 

122.7084611

​

=

\,\,\sqrt[3]{r^3}

3

 

r

3

​

Cube root both sides

4.9692575=

4.9692575=

\,\,r

r

\text{Then the diameter equals }9.938515

Then the diameter equals 9.938515

diameter is radius times 2

\text{Final Answer:}

Final Answer:

d\approx 9.9\text{ m}

d≈9.9 m

Round to nearest tenth

4 0
3 years ago
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