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QveST [7]
3 years ago
9

I have no idea what to do.. someone please explain??

Mathematics
2 answers:
Fiesta28 [93]3 years ago
4 0

Check the picture below.

bearing in mind that the large cylinder is using feet units, and thee are 12 inches to 1 foot, thus 10 feet  = 120 inches.

KiRa [710]3 years ago
3 0

Answer:

d = 25 inches

Step-by-step explanation:

If the figures are similar, the dimensions have to be in proportion

diameter     diameter

------------- = ------------

height          height

10 ft            d inches

------------- = ------------

4 ft             10 inches

Using cross products

10 * 10 = 4 *d

100 = 4 d

Divide by 4

100/4 =4d/4

25 = d

d = 25 inches

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(x+2/3)=(2x-4/2)<br> what is x equal to?
Nookie1986 [14]
X + 2/3 = 2x - 4/2
2/3 + 4/2 = 2x - x
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I hope this helps!
7 0
2 years ago
1x + 2 - 3 = 8 <br><br><br> what is x?
valina [46]

Answer:

x= Multiplication

Step-by-step explanation:

1 x +2 -3 =8

8 0
3 years ago
Read 2 more answers
Can someone please help me with this problem? You need to find the value of x and y by using the strategy of ELIMINATION. Please
Setler [38]

Answer:

x = 136/35; y = -⁹/₁₀

Step-by-step explanation:

(1)         7x + 8y = 20

(2)        7x – 2y = 29       Subtract (2) from (1)

                  10y =  -9        Divide each side by 10

(3)                 y =  -⁹/₁₀     Substitute (3) into (1)

      7x - 2(-⁹/₁₀) = 29

      7x + 18/10  = 29                       Subtract 18/10 from each side

      7x              =      29 - 18/10

      7x              = (290 - 18)/10

      7x              =          272/10        Divide each side by 7

        x              =           272/70

        x              =           136/35

x = 136/35; y = -⁹/₁₀

Check:

(1) 7(136/35) + 8(-⁹/₁₀) = 20

      136/5    -   72/10 = 20

      136/5    -   36/5  = 20

                      100/5  = 20

                       20      = 20

(2) 7(136/35) – 2(-⁹/₁₀)  = 29

       136/5    +    18/10 = 29

       136/5    +      ⁹/₅    = 29

                        145/5  = 29

                        29       = 29

5 0
3 years ago
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brilliants [131]
Um there’s no question here lol so free points?
3 0
3 years ago
3. Mrs. Brown has 9 cups of flour. Each
hodyreva [135]

Answer:

3/4 of a batch

Step-by-step explanation:

9 out of the total 12 cups is what she has. So this converts into the fraction of 3/4 when simplified so she can make 3/4 of a batch.

6 0
2 years ago
Read 2 more answers
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