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wel
3 years ago
14

Is 2:4 and 42:84 equivalent?

Mathematics
2 answers:
bezimeni [28]3 years ago
6 0

Answer:

Yes.

Step-by-step explanation:

They are both divisible by 21.

Nastasia [14]3 years ago
6 0

Answer:

Yes

Step-by-step explanation:

They both equal one half

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The figure represents a doorstop in the shape of a triangular prism. What is the volume of the doorstop in cubic inches?​
Makovka662 [10]

Answer:

7 times 5

35

divided by two

17.5

times 3

52.5 cubic inch

7 0
3 years ago
Evaluate the expression when x-3<br> 4x2 - 14x + 4
Lady_Fox [76]

Answer:

82

Step-by-step explanation:

Evaluate 4 x^2 - 14 x + 4 where x = -3:

4 x^2 - 14 x + 4 = 4×(-3)^2 - -3×14 + 4

(-3)^2 = 9:

4×9 - 14 (-3) + 4

4×9 = 36:

36 - 14 (-3) + 4

-14 (-3) = 42:

36 + 42 + 4

| 1 |  

| 4 | 2

| 3 | 6

+ | | 4

| 8 | 2:

Answer:  82

6 0
3 years ago
In the diagram below AC is perpendicular to BD find x show all work
ozzi
3x + 9 = 90
3x = 90 - 9 = 81
x = 81/3 = 27
x = 27
7 0
3 years ago
Read 2 more answers
Please help me thanks please <br> Will give you brainlest
Akimi4 [234]

Answer:

224

Step-by-step explanation:

<u>Base:</u>

A = Bh

A = 8(8) = 64

<u>Sides:</u>

A = 1/2 Bh

A = 1/2 8(10)

A = 40

<u>Then you do 40(4) because there are 4 sides:</u>

40 (4) = 160

<u>Then you add up the base and the sides:</u>

160 + 64 = 224

(I think this is the right answer)

7 0
2 years ago
Please answer this question picture shown !!
Naddik [55]
The answer is choice D because the expression 6x^3+x^2-3 is the same as 6x^3+1x^2+0x+(-3). Notice the coefficients are 6, 1, 0, -3

The expression x-7 is in the form x-k where k = 7. This is the test root which is placed outside of the synthetic division bar as shown in choice D.
4 0
3 years ago
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