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vlabodo [156]
3 years ago
12

PLEASE PLEASE PLEASE HELP!! 50 POINTS!!! Multiply the polynomials (3^2 − 5 + 7) and (2^2 + − 2). Simplify the answer. Show your

work.
Mathematics
2 answers:
sattari [20]3 years ago
6 0

Answer:

Use the order of operations (PEMDAS- parentheses, exponents, multiplication and division, addition and subtraction) to solve.

(3^2-5+7)x(2^2-2)

(9-5+7)x(4-2)

(11)x(2)

22

:)

alukav5142 [94]3 years ago
4 0

Answer:

22

Step-by-step explanation:

(3² - 5 + 7) × (2² - 2)

(9 - 5 + 7) × (4 - 2)

(4 + 7) × (2)

11 × 2

22

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I really need help plzzzzz​
Marianna [84]

Answer:

  • All similar, see below

Step-by-step explanation:

Q1

<u>Angles</u>

  • 26° & 64° & 90°
  • AA similarity

Q2

<u>Ratios of corresponding sides:</u>

  • 6/8 = 9/12 = 12/16 ⇒ 3/4
  • SSS similarity

Q3

<u>Angle C is vertical</u>

  • ∠ACB ≅ ∠DCE

<u>Ratios of corresponding sides:</u>

  • 9/15 = 18/30 ⇒ 3/5
  • SAS similarity
6 0
3 years ago
A ship at position (1, 0) on a nautical chart (with north in the positive y direction) sights a rock at position (6, 5). What is
OLga [1]

Answer:

The vector joining the ship to the rock is t= 7 i + 5 j

The direction is 0.9505 radians east of north.

Step-by-step explanation:

The position vector of the ship:

r= 1 i + 0 j

The position vector of the ship:

s= 6 i + 5 j

The vector joining the ship to the rock is:

t = r + s

t = (1 i + 0 j) + (6 i + 5 j)

t = 7 i + 5 j

The bearing of the rock to the ship is:

Θ= \frac{ \pi}{2} - arctan (\frac{5}{7})= 0.9505 radians

4 0
3 years ago
The scale on a city map is 3/4 inch represents 1/8 mile.How many inches per mile are represented by the scale on the map
Sonja [21]
3/4  inch  represents  1/8 mile,  that means:

1/8 mile represented by 3/4 inch

1 mile  will be :      (3/4) inch ÷ (1/8)

                             =  3/4 × 8/1 = 6

1mile will be represented by 6 inches

So on the map it is 6 inches per mile
8 0
3 years ago
How much smaller is x−3 than x+4?
loris [4]

Answer:

Try 1

Step-by-step explanation:

The difference between 3 and 4 is one.

4 0
3 years ago
Read 2 more answers
ALGEBRA 1 HOMEWORK!!!
Likurg_2 [28]

Answer:

it a

Step-by-step explanation:

because this ^ means its a because it is factoring out

3 0
3 years ago
Read 2 more answers
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