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chubhunter [2.5K]
3 years ago
9

Fill in the blank 2(x+7) = 2x + __

Mathematics
1 answer:
natka813 [3]3 years ago
3 0

Answer:

14

Step-by-step explanation

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Please help with 6 and 7
Maru [420]

Answer:

6a) i- 2hrs 36mins  ii- 3hrs 12mins

b) car A≈ 76.9km/h  car B≈ 62.5km/h

c)------

7a) 35km

b) car A=75km  car B=60km

c) 30km

d) car A≈36mins  car B≈48mins

Step-by-step explanation:

6a) Using the graph follow the lines until they finish then go downwards until you get to the x-axis. The x-axis is going up by 12mins for each square.

b) Using the answer from a, you divide 200km by the time.

For car A 2hrs 36mins becomes 2.6 because 36mins/60mins=0.6

∴ car A: 200/2.6≈ 76.92km/h

For car B 3hrs 12mins becomes 3.2 because 12mins/60mins=0.2

∴ car B: 200/3.2≈ 62.5km/h

7a) Using the graph go down from where the line of car A finished to meet car B. The y-axis is going up by 5km for each square.

b) Starting from the x-axis at 1 hour go upwards to see where you meet the car B line (60km) and car A line(75km). (sorry if that does not really make sense).

c) Difference from car A line to car B:

155km-125km=30km

d) Going across from 50km meet car A line and go down to see it has been travelling for approx. 36mins. Then continue across to car B line, go down to see it reached 50km at approx. 48mins.

Hope this helps.

5 0
3 years ago
HURRY ANSWER THIS AND I WIL GIVE YOU BRAINLEST!!!!
aleksandr82 [10.1K]

her resolution is incorrect because it's 6 times x=48. so to get rid of of the six you have to divide it on both sides, so x can be alone. and that's will only have one solution which is x=8

5 0
3 years ago
Need help with this problem!! Point X is the midpoint of HI. What is the coordinate of the point X?
dimaraw [331]

Answer:

1

Step-by-step explanation:

The midpoint is the average of the points H and I

midpoint = | \frac{-2+4}{2} | = | \frac{2}{2} | = | 1 | = 1

6 0
3 years ago
What is the Associative Property of Multiplication?
natta225 [31]

Answer:

(C is your answer) -Raymond :3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the value of x.
Marina CMI [18]

The measure of the missing angle x is 23.22 degrees

<h3>Cosine rule</h3>

The expression for representing cosine rule is expressed as:

c² = a² + b² - 2ab cos C

Given the following parameters

a = 26

b = 50

c = 29

Substitute

c² = a² + b² - 2ab cos C

29² = 26² + 50² - 2(26)(50) cos C

841 = 676 + 2500 - 2600cosC

2335 =2600cos C
cos C = 2335/2660

C = 23.22 degrees

Hence the measure of the missing angle x is 23.22 degrees

Learn more on cosine rule here: brainly.com/question/23720007

#SPJ1

4 0
2 years ago
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