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goblinko [34]
3 years ago
7

What is the first step to solve the equation 9h-31=99?

Mathematics
2 answers:
hammer [34]3 years ago
6 0
After this divided both sides by 9 which will give you h=about 14.4444
pishuonlain [190]3 years ago
4 0

Add 31 to both sides which will give you

9h = 130

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5,25,125 find 10th term
anastassius [24]

Answer:

9765625

Step-by-step explanation:

There is a common ratio between consecutive terms , that is

r = 25 ÷ 5 = 125 ÷ 25 = 5

This indicates the sequence is geometric with n th term

a_{n} = a₁r^{n-1}

where a₁ is the first term and r the common ratio

Here a₁ = 5 and r = 5 , then

a₁₀ = 5 × 5^{9} = 5 × 1953125 = 9765625

6 0
3 years ago
Mrs. Zabel, the yearbook adviser, always likes to sell a large amount of yearbooks because after the initial set-up costs are pa
mart [117]
(50,45)(125,37.50)
slope(m) = (37.50 - 45) / (125 - 50) = -7.5/75 = -0.1

y = mx + b
slope(m) = -0.1
(50,45)...x = 50 and y = 45
now we sub and find b, the y int
45 = -0.1(50) + b
45 = - 5 + b
45 + 5 = b
50 = b

so ur equation is : y = -0.1x + 50

so it the staff sells 150 yearbooks...
y = -0.1x + 50
y = -0.1(150) + 50
y = -15 + 50
y =  35 <== price per yearbook
5 0
3 years ago
1. A set of weights includes a 5 lb barbell and 8 pairs of weight plates. Each pair, p,
lidiya [134]

Answer:

5 <= y <= 85

Step-by-step explanation:

Since the lowest weight possible is 5lbs (just the barbell and no weights) the lowest point of the range is 5lbs (the y intercept when x = 0)

The highest weight possible is 85lbs since, there is only 8 pairs of weight plates (8 is the input value) and the pairs each weigh 10lbs (the slope of the graph) + 5lbs from the barbell (y-intercept).

Using the function given, if you input 8 as the x value, you get

85 = 10(8) + 5

So the highest value of the range is 85lbs, therefore the range is 5 <= y <= 85.  

6 0
3 years ago
The olympic record for the men's 1500 m athletic race was set by Noah ngeny -kenya (Sydney 2000) at 3:32:07( 3min,32.07s) how ma
vovikov84 [41]

Answer:

6:07 seconds

Step-by-step explanation:

to determine the answer subtract the time of Guerruoj's world record from that of Noah

 3 : 32 : 07

-<u> 3 : 26 : 00</u>

 0 : 06 : 07

8 0
2 years ago
Explain how u can use straight angles to find m tpv
Leviafan [203]

Answer:

A straight angle changes the direction you are pointing in. A straight angle looks like a straight line. It has an angle measurement of 180 degrees. Straight angles can be composed of several angles, as long as the angles add up to 180 degrees.

Step-by-step explanation:

7 0
1 year ago
Read 2 more answers
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