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Llana [10]
3 years ago
9

Two solid cones are geometrically similar and the height of one is

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
8 0
What do you want? Your question is not clear
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Question 10 Please Help
svet-max [94.6K]

Answer:

1)· 5x + 2y = 9. First we solve for y. 2y= 9 -5x. y=(9-5x)/2. Now that we have the value of y. We substitute on the original equation and resolve. 5x + 2y = 95x + 2y = 9  5x + 2(9-5x)/2 = 9  5x + 9 - 5x = 9  9 = 9

That would be x = 1  

Now substitute and resolve to find y.  

5(1) + 2y = 9

5 + 2y = 9

2y = 4

y = 2

So our answer x=1 and y = 2. (1,2)

Proof :  

5(1) + 2(2) = 9

5+ 4 = 9

9 = 9

Step-by-step explanation:

hoped it helped for the first  one  i didnt now the second one

4 0
2 years ago
a fruit farm grows 4486 apple trees in 5 different Orchards each Orchard has about the same number of apples trees which is the
wariber [46]

Answer:

897.2

Steps:

1) 4486 divided by 5 = 897.2

2) Estimate:

We know that if the number is less than 5 the number in front of it stays the same, so the answer will be 897.

5 0
3 years ago
What is the value of x in units
nikdorinn [45]

\triangle RQT\ \text{and}\ \triangle SRT\ \text{are similar. Therefore the sides are in proportion.}\\\\\dfrac{RT}{TQ}=\dfrac{TS}{RT}\\\\\text{We have}\ RT=x,\ TQ=16,\ TS=9.\ \text{Substitute:}\\\\\dfrac{x}{16}=\dfrac{9}{x}\qquad\text{cross multiply}\\\\x^2=(9)(16)\\\\x^2=144\to x=\sqrt{144}\\\\\boxed{x=12}

6 0
3 years ago
Read 2 more answers
PLEASE HELP!! URGANT!!
tigry1 [53]

Answer:

55

Step-by-step explanation:

CBZ+ZBA=CBA

x=6

9(6)+1=55

6 0
2 years ago
The girls in Lana’s troop set a goal to sell 1,000 boxes of cookies this year. There are 13 girls in the troop. At least how man
tiny-mole [99]

Answer:

77 boxes

Step-by-step explanation:

1000/13= 76.9230769

They can't sell part of a box and a little extra money never hurt any one.

4 0
3 years ago
Read 2 more answers
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