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Ierofanga [76]
2 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]2 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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Point K is on line segment JL. Given JK = 5x + 7, JL = 2x+8, and KL = 4,
kati45 [8]

Answer:

The numerical length of JL is 6 units

Step-by-step explanation:

Here, we want to determine the numerical length of JL

Mathematically;

JL = JK + KL

2x + 8 = 5x + 7 + 4

2x + 8 = 5x + 11

5x -2x = 8-11

3x = -3

x = -1

But JL = 2x + 8

JL = 2(-1) + 8 = -2 + 8 = 6

3 0
3 years ago
A case of Scout cookies has 10 cartons. A carton has 12 boxes. The amount you earn on a whole case is 10(12x) dollars.
Katen [24]

Simplified expression: 120x dollars

Step-by-step explanation:

Given,

Number of cartons in case of Scout cookies = 10 cartons

Number of boxes in carton of Scout cookies = 12 boxes

Amount earned on whole case = 10(12x)  dollars

To simplify the expression, we will multiply 10 by 12x

Amount earned on whole case = 120x dollars

Simplified expression: 120x dollars

Keywords: multiplication, variable

Learn more about multiplication at:

  • brainly.com/question/10480770
  • brainly.com/question/10546617

#LearnwithBrainly

8 0
2 years ago
Which polynomial represents the difference below?
AleksAgata [21]

Answer:

-x²-8x+6

Step-by-step explanation:

Given the polynomial expression

2x²+7x+ 6 and 3x² – X

Taking their difference

2x²+7x+ 6  - (3x² – X)

2x²-3x²+7x+x+6

-x²-8x+6

Hence the required difference is -x²-8x+6

4 0
2 years ago
Read 2 more answers
Find the value of x.
Slav-nsk [51]

Answer:

  x = 53

Step-by-step explanation:

The sum of the angle measures in a triangle is 180°:

  91° + 36° + x° = 180°

  x° = 180° -127° = 53°

  x = 53

6 0
2 years ago
A fruit stand sells apples, peaches and tomatoes. Today, they sold 4 apples for every 5 peaches. They sold 2 peaches for every 3
Brrunno [24]

Answer:

He sold 32 apples, 40 peaches and 60 apples.

Step-by-step explanation:

We are given that

4 apples are sold every 5 peaches and

3 tomatoes are sold every 2 peaches.

i.e. the ratio is apples: peaches = 4 : 5     ...... (1)

and the ratio peaches: tomatoes = 2 : 3   ...... (2)

Peaches are the common link here in both the ratio terms.

Let us make the peaches value in both the <em>ratio as 10 </em>to make it equal in both the ratio terms.

Multiply (1) by 2 and (2) by 5:

The ratio becomes;

apples:peaches = 8:10

peaches: tomatoes = 10:15

In other words, the ratio becomes:

apples:peaches:tomatoes = 8:10:15

Let the number of apples = 8x

Let the number of peaches = 10x\\

Let the number of tomatoes = 15x

We are given that total fruits are = 132

\Rightarrow 8x+10x+15x = 132\\\Rightarrow 33x = 132\\\Rightarrow x =4\\

So, number of apples sold = 8 \times 4 = 32

Number of peaches sold = 10 \times 4 = 40

Number of tomatoes sold = 15 \times 4 = 60

7 0
3 years ago
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