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Brilliant_brown [7]

3 years ago

7

Andre and Sally are playing a number game. Andre tells Sally, "I'm thinking of a number between 1 and 20. If I take the number a

nd add 5, and then subtract 3, I get 19." What number is Andre thinking of?

1 answer:

rodikova [14]3 years ago

7 0

The answer is 17

Work out the problem in reverse.
19+3=22
22-5=17

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Solve the following expression when<br> v = 10 and e= 5<br> 2v ÷ e + 3

Montano1993 [528]

Hello!

Answer:

5/2 or 2.5

Step-by-step explanation:

<em>Plug in the numbers for v and e </em>

2(10)÷5+3

20÷8

5/2 or 2.5

Hope this helps!

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What is the sum of -15 and -8 increased by 20?

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Answer:

i think this is the answer:

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A man, 1.5m tall, is on top of a building. He observes a car on the road at an angle of 75°. If the building is 30m, how far is

podryga [215]

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7 0

3 years ago

The art club is designing a rectangular mural for the school hallway. Three corners are located at (-1, -1), (-1, 1), and (4, 1)

Maru [420]

Answer:

The fourth vertex must be located at $Z(x,y) = (4, -1)$ . The graph of the figure is included below.

Step-by-step explanation:

Let be $X(x,y)$ , $Y(x,y)$ , $Z(x,y)$ and $W(x,y)$ so that a rectangle is formed. Hence, we must satisfy the following conditions:

$X(x,y) = (a, c)$ (1)

$Y(x,y) = (a, d)$ (2)

$Z(x,y) = (b, c)$ (3)

$W(x,y) = (b, d)$ (4)

$a < b$ (5)

$c < d$ (6)

If we know that $a = -1$ , $b = 4$ , $c = -1$ , $d = 1$ , then we have the following points:

$X(x,y) = (-1, -1)$

$Y(x,y) = (-1, 1)$

$Z(x,y) = (4, -1)$

$W(x,y) = (4,1)$

Then, the fourth vertex must be located at $Z(x,y) = (4, -1)$ .

7 0

3 years ago