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Zarrin [17]
3 years ago
15

WILL UPVOTE! Factor the expression. 4r^2 − 49 =

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
6 0
Would it be
(2r-7)*(2r+7)

?
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Someone please help me
pentagon [3]

Answer:

Option 3 or Option 4.

Step-by-step explanation:

I have this doubt because actually, a rhombus with a right angle (one) is not necessarily a square. Some rhombuses have one right angle and are still not squares. Now, if the four angles are right, it is a square, but this only says one.

On other hand, a parallelogram with congruent diagonals isn't a square necessarily either. Rectangles have congruent diagonals and are parallelograms.

In case you only can answer with one, I'll say is option 3, hope it helps!

 

8 0
2 years ago
Find m∠1 and m∠3 in the kite. The diagram is not drawn to scale.
Alex_Xolod [135]

Answer:

m<1 = 39°

m<3 = 180-90-39= 51°

Step-by-step explanation:

Lines AC and DB are diagonals and always meet at right angles.

Kites have two sets of equivalent adjacent sides and one set up of congruent opposite angles.

3 0
2 years ago
Work out size of angle x<br><br>​
jasenka [17]

Answer:

84 degrees

Step-by-step explanation:

132+54 = 186 degrees

186+90 = 276 degrees

as this is around a point it totals to 360 degrees

360 degrees - 276 degrees = 84 degrees

hope this helps

6 0
2 years ago
Read 2 more answers
Emma is taking out a loan in the amount of $25,000. Her choices for the loan are a 60-month loan at 5% annual simple interest an
My name is Ann [436]

Answer:

The answer is $2750. Which is the difference in the amount of interest Emma would have to pay for these two loans

Step-by-step explanation:

Interest=( P× r × t)/100

60 months is converted to 5years(60/12=5)

Interest= (25000 × 5 × 5) /100

= $6250

72months is converted to 6 years(72/12=6 Years)

Interest=( P× r × t)/100

= (25000 × 6 × 6)/100

=$ 9000

The difference in the interest= $9000- $6250

= $ 2750

5 0
3 years ago
Solve the given problem.
fiasKO [112]
This is a word problem so translate to math so this is asking 6+(4/2) which is 8 
5 0
3 years ago
Read 2 more answers
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