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FrozenT [24]
2 years ago
9

Please solve this , i will mark brainliest

Mathematics
2 answers:
erastova [34]2 years ago
6 0
C thank me later thanks
balandron [24]2 years ago
6 0

Answer:

The correct answer to your problem is C. t= -10, t= -3

(t + 3)(t +10) = 0

t + 3 = 0

t + 10 = 0

0 - 3 = -3 and 0 - 10 = -10, therefore your answer is C.

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Which ratio forms a proportion with 14/42?<br> 1/4<br> 7/21<br> 12/40<br> 28/80
bogdanovich [222]
Second one



<span>7/21

Hope it helps

</span>
3 0
3 years ago
Read 2 more answers
The diagonal of a cube is 28 cm. Identify the length of an edge.
asambeis [7]
So the diagonal of cube
this was a practice act question so her's the answer

look at the cube through one of the faces
you will see the diagonal as the hypotonuse of  a triangle
and also a triangle on the floor (look at attachment)
the ,diagonal is 28
a^2+b^2=28^2
a=b since it is a cube
remember that this is a 45,45 triangle so therefor
a=b=x
c=x√2 so
28=x√2
divide both sides by √2
28/(√2)=x
the diagonal on the floor is 28/(√2)
the sides of the triangle form another 45 45 90 triangle with 28/(√2) as hyponuse so
a=b=x
c=x√2=28/(√2)
solve for x
x√2=28/(√2)
divide both sides by √2
same as mujlitply both sides by 1/(√2) so
28/(√2) times 1/(√2)=28/(2)=14
the answer of 1 diagonal is 14 cm
the answer is 14cm

4 0
3 years ago
2. When there is a strong positive, how do the points look?
motikmotik

When there's a strong positive, the points are: B. Close together.

<h3>Strong Positive Relationship</h3>
  • On a scatter plot, if the data points are close together along the trend line sloping upwards, it means there's a strong positive correlation.
  • Strong positive correlation means the two variables change in the same direction.

Therefore, when there's a strong positive, the points are: B. Close together.

Learn more about strong positive relationship on:

brainly.com/question/15552860

5 0
2 years ago
Find the value of x.
dolphi86 [110]

Answer: 10

Step-by-step explanation:

4 0
2 years ago
Let A = 2, B = 3, C = 9, and D = 15.
bogdanovich [222]

Step-by-step explanation:

Put A = 2, B = 3, C = 9 and D = 15 to the given expressions.

Use PEMDAS.

-A + C - (D : B)

-2 + 9 - (15 : 3) = -2 + 9 - 5 = 7 - 5 = <u>2</u>

B × (-C) - (-D) + A

3 × (-9) - (-15) + 2 = -27 + 15 + 2 = -12 + 2 = <u>-10</u>

(C + D) : B + A

(9 + 15) : 3 + 2 = 24 : 3 + 2 = 8 + 2 = <u>10</u>

D : B + A - C

15 : 3 + 2 - 9 = 5 + 2 - 9 = 7 - 9 = <u>-2</u>

7 0
3 years ago
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