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sergey [27]
3 years ago
13

Need help ASAP both a and b please.

Mathematics
2 answers:
tino4ka555 [31]3 years ago
6 0

Answer:

A) In 4 hours the tempature would both be the same

B) The tempature then would be 3 degreees Fahrenheit

Step-by-step explanation:

SO for the first step just make a list

In my format

x (hour): Coldspit and Frostberg in temperature

1st hour: -4.5 and 15

2nd hour: -2 and 11

3rd hour: 0.5 and 7

4th hour: 3 and 3

Serhud [2]3 years ago
3 0

Answer:

after 52/3 hours

temparature will be at -151/3

Step-by-step explanation:

y = -2.5x - 7

y = -4x + 19

-2.5x - 7 = -4x + 19

4x - 2.5x = 19 + 7

1.5x = 26

1.5x = 26

3/2x = 26/1

2/3 x 3/2x = 26/1 x 2/3

x = 52/3

y = -4x + 19

y = -4(52/3) + 19

y = -208/3 + 19

y = -208/3 + 19/1

y = -208/3 + 57/3

y = -151/3

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Answer:

Step-by-step explanation:

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5 0
3 years ago
Macario is making 12 pounds of nut mixture with macadamia nuts and almonds. Macadamia nuts cost $9 per pound and almonds cost $5
Fynjy0 [20]

Marcario should use  4 pounds of macadamia nuts and 8 pounds of almonds.

Explanation

given

cost of macadamia nuts per pound=$9

cost of almond nuts per pound=$5.25

cost of the mixture per pound=$6.5

total pounds of the mixture to be made=12

let the pounds of macadamia nuts=x

pounds of almond nuts=y

total pounds of nuts=x+y=12

x+y=12(1)\\9x+5.25y=6.5(x+y)\\\\9x+5.25y=6.5*12\\9x+5.25y=78(2)

solving (1) and (2)

x=4

y=8

5 0
3 years ago
Solve the inequality x+1<3/4 and write the solution in interval notation.
Darya [45]

The solution to the inequality in interval form is (-∞, -1/4)

<h3>Inequality expressions</h3>

Inequality are expressions not separates by an equal sign. Given the inequality below;

x+1<3/4

Subtract 1 from both sides to have;

x + 1 - 1 < 3/4 - 1

x < 3/4 - 1

x < (3-4)/4

x < -1/4

Hence the solution to the inequality in interval form is (-∞, -1/4)

Learn more on inequality here: brainly.com/question/24372553

#SPJ1

3 0
1 year ago
Please look at the picture and explain your answer thanks
aniked [119]

Answer:

Step-by-step explanation:

Blue is 1 and a quarter.

Brown is Half

6 0
3 years ago
My question is what is 57=25+8x
KATRIN_1 [288]

Answer: X=4

Step-by-step explanation: distribute by subtracting 25 from both sides giving you 32=8X and then divide by 8 on both sides to get 4. Hope that helps

4 0
3 years ago
Read 2 more answers
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