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Rus_ich [418]
3 years ago
9

I need this done today whoever gets this correct gets brainliest!!! PLZZ HELPP MEE!!! hurryy

Mathematics
2 answers:
bearhunter [10]3 years ago
5 0

Answer:

A (I carefully did it)

Step-by-step explanation:

This is a really easy algebra question tho

1. Step 1 -> Step 2 is wrong

2. Step 1:

0.2(4+1.4y-2.1)=0.8+0.28y-0.42

3. But Step 2:

0.2(4+1.4y-2.1)\neq 4.2+1.6y-1.9

4. She added 0.2 to each term instead of multiplying by 0.2

nikdorinn [45]3 years ago
4 0

Answer:

A

Step-by-step explanation:

This is a really easy algebra question tho

1. Step 1 -> Step 2 is wrong

2. Step 1:

3. But Step 2:

4. She added 0.2 to each term instead of multiplying by 0.2

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I also need help on this one. I don’t really know how to do coordinates very well.
suter [353]

Answer: (2, -3)

Step-by-step explanation:

3 0
3 years ago
A cylinder has a height of 6 meters and a radius of 3 meters. What is its volume? Use ​ ≈ 3.14 and round your answer to the near
bija089 [108]

Answer:

169.56 m³

Step-by-step explanation:

» <u>Concepts</u>

The volume of a cylinder is how much space there is inside the cylinder. The formula to find the volume is πr²h, where r = radius and h = height. Once you get the volume, you have to add <unit>³.

» <u>Application</u>

We are given the radius as three meters and the height as six meters; we also have to use π as 3.14. Now, we just have to plug in these values into the aforementioned formula.

» <u>Solution</u>

  • <u></u>3.14*3^3*6
  • 3.14*9*6
  • 28.26*6
  • 169.56
7 0
2 years ago
Plz help I’ll mark brainliest
Aleks [24]

Answer:

A cone

Step-by-step explanation:

Plot the points

we have

A(0, 0), B(0, 5) and C(3, 0)

The figure is a right triangle

see the attached figure

so

When this shape is rotated about the y-axis, the 3-dimensional shape created will be a cone

where

AC is the radius of the base of cone

The radius is equal to r=AC=3 units

AB is the height of the cone

The height is h=AB=5 units

BC is the slant height of the cone

Applying Pythagoras Theorem

7 0
4 years ago
3) The water park is a popular field trip destination. This year the senior class at High School A and the
SOVA2 [1]

Answer:

answer is b

Step-by-step explanation:

.

6 0
4 years ago
How many girls are in the marching band? And how can I turn 3/10 into a number
Anton [14]

Answer:

The answer is 40

Step-by-step explanation:

28/x=7/10

firs you need to setup this equation and solve it to get 40

there are 12 girls in the band and 28 boys in the band and I know this because 12+28=40 just like 3/10 + 7/10= 10/10

12 divided by 4 is 3

28 divided by 4 is 7

3 0
3 years ago
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