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Ede4ka [16]
3 years ago
13

Which steps will verify that a parallelogram is a rectangle?.

Mathematics
2 answers:
VLD [36.1K]3 years ago
8 0

Answer:

If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle.

Alexus [3.1K]3 years ago
7 0

Answer:

Step-by-step explanation:

If one angle in a parallelogram is 90°, then it is a  rectangle.

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So A =3x2+4x+1,B=5x2−3x+8,C=4x2−7x−3, find the value of B + C –A.
Lena [83]

Answer:

<h2>6x² - 14x - 4</h2>

Step-by-step explanation:

A =3x² + 4x + 1

B = 5x² - 3x + 8

C = 4x² - 7x - 3

B + C –A is

5x² - 3x + 8 + 4x² - 7x - 3 - ( 3x² + 4x + 1)

Expand and simplify

We have

5x² - 3x + 8 + 4x² - 7x - 3 - 3x² - 4x -1

Group like terms

5x² + 4x² - 3x² - 3x - 7x - 4x + 8 - 3 - 1

We have the final answer as

<h3>6x² - 14x - 4</h3>

Hope this helps you

8 0
3 years ago
Urgent I need help pls ​
Mandarinka [93]
11

Explanation:
Graphing calculator
6 0
3 years ago
Find the measure of the indicated angle
emmasim [6.3K]
I think the answer is 23
8 0
3 years ago
Read 2 more answers
At the store, Jason find the volume of a soda pack is 423.9 in.³. If each cylinder shaped can has a height of 6 inches and a dia
Marina86 [1]

Answer : The correct option is, (A) 10

Step-by-step explanation :

First we have to calculate the volume of cylinder shaped can.

Formula used:

Volume of cylinder = π r² h

where,

r = radius of cylinder

h = height of cylinder

Given:

Diameter of cylinder = 3 in

Height of cylinder = 6 in

Radius of cylinder = \frac{Diameter}{2}=\frac{3in}{2}=1.5in

Now putting all the given values in the above formula.

Volume of cylinder = π r² h

Volume of cylinder = 3.14 × (1.5 in)² × 6 in

Volume of cylinder = 42.39 in³

Now we have to determine the number of soda cans are in a pack.

Number of soda cans are in a pack = \frac{\text{Volume of soda pack}}{\text{Volume of cylinder shaped can}}

Number of soda cans are in a pack = \frac{423.9in^3}{42.39in^3}

Number of soda cans are in a pack = 10

Therefore, the number of soda cans in a pack are 10.

8 0
4 years ago
Coach Morton is going on vacation! He drives 7.5 hours at an average speed of 35mph. How many miles did he travel?
Jet001 [13]

Answer:

4.7m

Step-by-step explanation:

35/7.5

=4.7m

Am sure am correct

7 0
3 years ago
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