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Vladimir79 [104]
3 years ago
9

Struggling with this one. Help please.

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
7 0

Answer:

d

Step-by-step explanation:

Veronika [31]3 years ago
3 0

Answer: -\frac{3}{5}

Step-by-step explanation:

Since x is 3 and y is -5

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A cone has a diameter of 10 inches. If its height is twice its radius, about what is the volume of the cone in cubic inches? Use
GuDViN [60]

Answer:

C) 261.67 inch³

Step-by-step explanation:

radius = 10/2 = 5

height = 10

Volume = ⅓×pi×r²×h

= ⅓×3.14×5²×10

= 261.6666666667

6 0
3 years ago
(½) (6x + 3) = 7 – (3x + 1)
erastovalidia [21]

\tt Step-by-step~explanation:

To solve for x, we have to remember to isolate the variable.

\tt Step~1:

For 1/2, we can make that 0.5, since their values are equivalent. Our equation:

\tt (0.5)(6x+3)=7-(3x+1)

Let's distribute the 0.5 first.

\tt 0.5*6x=3x\\0.5*3=1.5

\tt Step~2:

Now, let's simplify the right side of the equation. We have to distribute the negative to 3x and 1.

\tt -1*3x=-3x\\-1*1=-1

Then, we simplify the entire expression.

\tt 7-3x-1=-3x+6

\tt Step~3:

Our equation now:

\tt 3x+1.5=-3x+6

Let's add 3x to the right and 3x to the left to simplify the -3x on the right side of the equation.

\tt 3x(+3x)+1.5=-3x (3x)+6\\6x+1.5=6

\tt Step~4:

Let's do the same thing we did in Step 3 to 1.5. Subtract 1.5 on both sides of the equation.

\tt 6x+1.5(-1.5)=6(-1.5)\\6x=4.5

\tt Step~5:

Finally, we divide both sides by 6 to isolate x.

\tt \frac{6x}{6} =x\\\frac{4.5}{6}= 0.75~or~\frac{3}{4}

\large\boxed{\tt Our~final~answer:~x=0.75~(or~\frac{3}{4})}

8 0
4 years ago
Bianca is styling hair and makeup for the upcoming dance at her high school. She charges $51 for hair and $35 for makeup. Identi
Anestetic [448]
51h + 35m

Explanation:
For the first option, you can’t combine two different terms. Both would have to be represented by h or by m to put the two together.

On the second option, you wouldn’t multiply the two together either because in the problem, Bianca is doing hair AND makeup which is a keyword for adding.

The third and final option is the correct one because it’s leaving the two values separate and still adding them together.
7 0
3 years ago
Read 2 more answers
What is the volume of a rectangular prism that has a height of 3 inches and a base of 14 square inches? A) 0.215 in3 B) 4.67 in3
CaHeK987 [17]
14=42
42 in cubed

volume is length x width x height
you already have the area of the base of the shape so all you need to do is times is by  the height to find the volume
4 0
3 years ago
Charlie deposited $115 in a savings account. Each week thereafter he deposits $35 into the account. How much total money has Cha
nekit [7.7K]

Answer:

$1165

Step-by-step explanation:

30x35 = 1050

1050+115=1165

7 0
3 years ago
Read 2 more answers
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