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3 years ago

14

Height of a table tennis net: 6 in. height of a tennis net: 3ft

1 answer:

astraxan [27]3 years ago

7 0

The table is 3.5 ft tall

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Are those expressions equivalent? Explain why or why not.

vova2212 [387]

42+35 is 77
7(6+5) is 77 so yes
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3 years ago

A coin collection is made up of 34 coins comprised of nickels and dimes. The total value of the collection is $1.90. How many di

riadik2000 [5.3K]

Answer:

x = nickels

y= dimes

x + y = 34

.05x + .10y= $1.90

-.10x - .10y = -3.40

-.05x + .10y = 1.90

-.05x = -1.50

x = 30 nickels

30 + y = 34

y = 4 dimes

(3,4)

7 0

3 years ago

What the geometric mean between 12 and 18

MAVERICK [17]

Answer: 14.7

Step-by-step explanation:

Data : 12,18

Total Number of Values, N = 2

Step 1 : Find 1 / N

1 / N = 1 / 2 = 0.5

Step 2 : Find mean

GM = ( 12 * 18 )^ 0.5

= 14.7

4 0

3 years ago

Read 2 more answers

What is the sum of (4x2 – 10x + 3) and (-6x2 + 10x + 12)

kykrilka [37]

Answer:

-2x² + 15

Step-by-step explanation:

Step 1: Add like terms

4x² - 6x² = -2x²

-10x + 10x = 0

3 + 12 = 15

Step 2: Rewrite

-2x² + 15

6 0

3 years ago

In ΔHIJ, i = 550 inches, j = 150 inches and ∠H=92°. Find the length of h, to the nearest inch.

Novay_Z [31]

Answer:575

Step-by-step explanation: deltamath

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3 years ago