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Sindrei [870]
4 years ago
8

This question. Help. HELP

Mathematics
2 answers:
Nata [24]4 years ago
8 0
This is what i did, i can’t say it’s correct.

Simora [160]4 years ago
5 0

Answer:

I don't think there is enough information. I've done something similar. Maybe if there was a number already in place on the right under the number 30.

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Carlos says that 17.43÷100 is the same as 174.3÷0.01 is he correct? Explain.
klio [65]
No, in order for this to be correct, you'd have to move BOTH decimals in the same direction the same amount of places.<span />
6 0
3 years ago
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The ratio of areas between two similar triangles is 1:4. if one side of the smaller triangle is 2 units, find the measure of the
dimaraw [331]
1:4
smaller side = 2
bigger side = 8 since 2/8 = 1/4
1/4 = 2/x
x=4*2=8
5 0
3 years ago
2. A rectangle has a perimeter of 100. Its
slava [35]

Answer:

Option H

Step-by-step explanation:

Perimeter of rectangle= 2(length) +2(width)

100= 2(5a -22) +2[½(a +1)]

Expand:

100= 2(5a) +2(-22) +a +1

100= 10a -44 +a +1

Simplify:

100= 11a -43

+43 on both sides:

11a= 100 +43

11a= 143

Divide both sides by 11:

a= 143 ÷11

a= 13

Thus, option H is correct.

8 0
3 years ago
In a survey of 200 employees of a company regarding their 401(k) investments, the following data were obtained.
marysya [2.9K]

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Step-by-step explanation:

5 0
3 years ago
What is the depth of water in a tank with 300,000 gallons of water at 70F when the pressure gauge at the bottom of the tank read
chubhunter [2.5K]

Answer:

53.08 ft

Step-by-step explanation:

The pressure at the bottom of the tank, P = ρgh where ρ = density of water = 1000 kg/m³, g = acceleration due to gravity = 9.8 m/s² and h = depth of water in tank.

Since the pressure at the bottom of the tank, P = ρgh, making h subject of the formula, we have

h = P/ρg

Since P = 23 psig = 23 × 1 psig = 23 × 6894.76 Pa = 158579.48 Pa

Substituting the values of the other variables into h, we have

h = P/ρg

h = 158579.48 Pa/(1000 kg/m³ × 9.8 m/s²)

h = 158579.48 Pa/(9800 kg/m²s²)

h = 16.18 m

h = 16.18 × 1 m

h = 16.18 × 3.28 ft

h = 53.08 ft

8 0
3 years ago
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