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daser333 [38]
2 years ago
15

What is the speed of a car that travels 220 km in 2h?

Mathematics
1 answer:
eduard2 years ago
8 0

Answer:

110 km an hour

Step-by-step explanation:

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Find the slope of the line 8x – 4y = 8\ (hint: find 2 points; then use the slope formula)
Vera_Pavlovna [14]
8x - 4y = 8

-4y = -8x + 8

y = -8x/-4 + 8/-4

y = 2x - 2,  comparing to y = mx + c, slope m = 2

Slope = 2.
6 0
3 years ago
Can someone please help me I’m stuck I don’t know
Leviafan [203]

Answer:

140

Step-by-step explanation:

Because the lines are parallel:

\dfrac{DE}{35}=\dfrac{60}{15} \\\\DE=4\cdot 35=140

Hope this helps!

4 0
3 years ago
The function f is defined by f(x)=7x−5. Use this formula to find the following values of f. <br>f(3)
Korvikt [17]

Answer:

f(3) = 16

Step-by-step explanation:

f(x)= 7x-5

We want to find the value when x=3

f(3) = 7*3 -5

f(3) = 21-5

f(3) = 16

8 0
2 years ago
Read 2 more answers
-2x+4y=5x-5y solve for y
Lubov Fominskaja [6]

Answer:

y = 7x / 9

Step-by-step explanation:

3 0
2 years ago
If you were to 'unroll' the cylinder you would find the side is actually ALWAYS a rectangle when flattened out?
Yuki888 [10]

Answer:

Yes

Step-by-step explanation:

It's harder to explain but think logically about it or get or get a piece of paper. Then roll it up in as many different ways that u can think of into a cylinder. If u unroll it then I I'll always be a rectangle  

3 0
3 years ago
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