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astra-53 [7]
2 years ago
5

If x-6= 3, what is the value of x + 2

Mathematics
1 answer:
Tanya [424]2 years ago
4 0

Answer:

since X would be equal to 9, x + 2 would be equal to 11

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A racing car used 255 litres of fuel to complete a 340 km race. How many litres of fuel did the car use every 100km?
natka813 [3]
340 = 255
100 = ?

100 times 255 = 25500
25500 divided by 340 is 75
75 ltrs
7 0
3 years ago
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Cell phone company A charges $20 per month plus $0.05 per text message. Cell phone company B charges $10 per month plus 0.07 per
balu736 [363]

Answer:

Yes, 500 texts.

Step-by-step explanation:

If you write out the equations, you can just set them up equal to each other and simplify.

A = .05x + 20

B = .07x + 10

.05x + 20 = .07x + 10  (subtract 10 from both sides)

.05x + 10 = .07x  (subtract .05x from both sides)

10 = .02x  (multiply both sides by 50

x = 500 texts

7 0
2 years ago
Seven people can paint a bridge in 15 days.
Aleksandr [31]

Answer:

a) 3 people will need 35 days to paint the bridge

b) p=105/t

Step-by-step explanation:

a)

We have 7 people each one is to work 15 days, so the bridge needs a total of 7(15) days of work

7(15)=105

Then we have 3 people each one is to work t days, altogether should do a total of 105 days of work

3(t)=105

Solve for t

t=35

b)

Substitute p for 3 in the second equation

p(t)=105

Solve for p

p=105/t

8 0
3 years ago
Answer the first word problem please! And show work
Travka [436]

Answer:

b= 9.17 ft

Step-by-step explanation:

The 4 feet from the wall is the bottom part of the triangle. The 10 ft. ladder is the hypotenuse of the triangle. Use the Pythagorean Theorem and substitute the known values.

a^2+b^2=c^2

4^2+b^2=10^2

Then square all the known values

16+b^2=100

Then get b by itself

b^2=-16+100

add -16 and 100

b^2=84

and finally square root both sides of the equation

b=9.16515 ft or 9.17 ft

6 0
3 years ago
WILL GIVE BRAINLIST ANSWER!! What is the most important things to know whether a scatterplot has a positive or negative correlat
Sladkaya [172]

Answer:

the direction of the plots if the go up at an angle it is positive if it goes down at a consistent angle it is negative correlation

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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