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3 years ago

How can I show this expression using algebra tiles. 7(2+w)

Mathematics

1 answer:

Nezavi [6.7K]3 years ago

3 0

This expression would be factored 14+ 7w.

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Polygon ABCDE rotates 45° clockwise about point F to produce polygon FGHIJ as shown. What is mBCD?

goldfiish [28.3K]

Polygon FGHIJ is the result of the rotation of ABCDE.

A = F ⇒ 117°
B = G ⇒ 90°
C = H ⇒ 127°
D = I ⇒ 90°
E = J ⇒ 117°

The measure of angle BCD remains the same because the rotation involves the whole polygon. Thus, it is still 127°

5 0

3 years ago

Alex types 3 pages in the same amount of time that Erica types 4.5 pages. If Alex and Erica start typing at the same time, how m

Archy [21]

Answer:

12.5

Step-by-step explanation:

4.5 - 3 = 1.5, so 11 + 1.5 = 12.5

7 0

3 years ago

Math work pls help :)

PilotLPTM [1.2K]

Answer:

b. side angle side. hope this helps

8 0

2 years ago

A ball is thrown and it follows a parabolic path. At each horizontal distance (x) the following equation models the ball’s heigh

Nataly_w [17]

Answer D). 9 ft is correct

Height of the ball at a horizontal distance of 10 feet is 9 ft

Step-by-step explanation:

A ball is thrown and it follows a parabolic path. At each horizontal distance (x) the following equation models the ball’s height (y).

Y(x) = $-0.02x^{2} +0.8x+3$

Question asked is " What will be height (Y) of the ball when X=10 ft "

Simply putting value of X in given equation

we get,

Y(x) = $-0.02x^{2} +0.8x+3$

Y(x) = $-0.02(10)^{2} +0.8(10)+3$

Y(x) = $-0.02(100)} +8+3$

Y(x) = $-2 +8+3$

Y(x) = $9$

<em>Therefore,</em> Height of the ball at a horizontal distance of 10 feet is 9 ft

Answer D. 9 ft is correct

6 0

3 years ago

P (D) = .42, P (E) = .27, and P (D ∩ E) = .15 P (D U E)

Paul [167]

We know that $P(D\cap E)=P(D)P(E)=\boxed{0.1134}$ .

And $P(D\cup E)=P(D)+P(E)-P(D\cap E)=\boxed{0.5766}$ .

Hope this helps.

6 0

3 years ago