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Ierofanga [76]
3 years ago
15

1b. b. At midnight the temperature is -7°C. At midday the temperature is 4°C. By how much did the temperature rise? * 1 point Yo

ur answer​
Mathematics
1 answer:
ElenaW [278]3 years ago
8 0

Answer:

Rise = 11^\circ C

Step-by-step explanation:

Given

Midnight \to -7^\circ C

Midday \to 4^\circ C

Required

The temperature rise

This is the difference between the final and the initial temperature

Rise = Midday - Midnight

Rise = 4^\circ C - -7^\circ C

Rise = 4^\circ C +7^\circ C

Rise = 11^\circ C

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One cubic foot holds 7.48 gallons of​ water, and 1 gallon of water weighs 8.33 pounds. How much does 5 cubic feetfeet of water w
miv72 [106K]

Answer: 311.542 pounds or .155771 tons

Step-by-step explanation:

1 cubic foot = 7.48 gallons

1 gallon = 8.33 pounds

so...

1 cubic foot = 7.48 • 8.33 = 62.3084 pounds

5 cubic feet = 62.3084 • 5 = 311.542

1 ton = 2000 pounds

311.542/2000 = .155771 tons

5 0
3 years ago
Given f(x)=2x2−5x−3 and g(x)=2x2+x .<br> What is (fg)(x) ?
gizmo_the_mogwai [7]

Answer:

fourth option

Step-by-step explanation:

note that (\frac{f}{g} )(x)x) = \frac{f(x)}{g(x)}

\frac{f(x)}{g(x)} = \frac{2x^2-5x-3}{2x^2+x} ← factorise numerator/ denominator

= \frac{(x-3)(2x+1)}{x(2x+1)} ← cancel the common factor (2x + 1)

= \frac{x-3}{x} where x ≠ 0, - \frac{1}{2}

4 0
3 years ago
What equation is equivalent to the equation 9x - 13 = 4x + 32
Zigmanuir [339]
I’m guessing if you simplify this it’s gonna be x=6
8 0
2 years ago
Find the missing ratio and explain how you found it
ankoles [38]

Answer:

5:4

Step-by-step explanation

If your shoes to flip-flops are 10:8 then the starting ratio will be 10:8 but 10 and 8 are both divisible to 2 so you can simplify 10:8 to 5:4

7 0
3 years ago
Read 2 more answers
I need help with this question.
pashok25 [27]

Answer:

B. 9/91

Step-by-step explanation:

-81/9 = -2

9/81 = 1/9

√9 = 3

√81 = 9

B is the odd one out; it's a fraction.

6 0
3 years ago
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