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Amanda [17]
2 years ago
15

How many questions do you need to get right on a 10 question test in order to get a 60%?

Mathematics
1 answer:
V125BC [204]2 years ago
5 0

Answer:

this is easy you need to get 6 question right

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Jared has mowed 2/5 of the yard. Abby says that Jared has mowed 4/6 of the yard. Is Abby correct? Explain
hodyreva [135]
No becuase the decimal is not equivalent making this false so Abby it’s not correct
5 0
3 years ago
I make a profit of $10 on a shirt.i bought the shirt for $7.how much did I sell it for?​
frez [133]

17$.......................

6 0
2 years ago
Read 2 more answers
Some viruses are more contagious than others. Instead of passing the virus to one new person, imagine each
Alex_Xolod [135]

Answer:

i would say witihin months it would be world wide

Step-by-step explanation:

example corona, corona went from something knows abou to world wide in just a couple months please give brainlest

6 0
3 years ago
Help me pleasee (10 points)
Montano1993 [528]

Answer:

B

Step-by-step explanation:

Givens

a^2 + b^2 = c^2

a = 4x

b = x + 2

c = 3x + 4

Solution

(4x)^2 + (x + 2)^2 = (3x + 4)^3                  Remove all the brackets.

16x^2 + x^2 + 4x + 4 = 9x^2 + 24x + 16  Collect like terms on the left

17x^2 + 4x + 4 = 9x^2 + 24x + 16            Subtract the terms on the right

8x^2 - 20x - 12 = 0

This factors into

(4x - 12)(2x + 1)

There are 2 answers

4x - 12 = 0

4x = 12

x = 12/4

x = 3

or

2x + 1 = 0

2x = - 1

x = - 1/2

You have to look at x = -1/2 carefully. The problem is that 4x = 4*(-1/2) = - 2 which is not possible in Euclidean Geometry.

So the only answer is x = 3

4 0
2 years ago
If an object is dropped from a height of 144 feet, the function h(t)=-16t^2+144 gives the height of the object after t seconds.
shtirl [24]

Answer:

A. 3s

Step-by-step explanation:

The height of the object after t seconds is given by:

h(t) = -16t^2 + 144

When will the object hit the ground?

It hits the ground after t seconds, and t is found when h(t) = 0. So

h(t) = -16t^2 + 144

0 = -16t^2 + 144

16t^2 = 144

t^2 = \frac{144}{16}

t^2 = 9

t = \sqrt{9}

t = 3

3 seconds, so the correct answer is given by option a.

5 0
2 years ago
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