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sveta [45]
3 years ago
15

(7a + 4) - (9a +2) Can you help me?

Mathematics
2 answers:
alex41 [277]3 years ago
6 0

Answer:

-2a+2

Step-by-step explanation:

Minchanka [31]3 years ago
4 0

Answer:

-2a+6

Step-by-step explanation:

.....

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Find NP from the Rectangle
antoniya [11.8K]

Answer:

9.16

Step-by-step explanation:

by using pythagorean theorem,

given that PQ=4 and NQ = 2×5 = 10

NP²= NQ²-PQ²

= 10²-4²

= 100-16

= 84

NP = √84 = 9.16

4 0
3 years ago
You use a 40% off coupon followed by a 30% off coupon. is that
Natalija [7]

Answer:

Yes since 40+30=70 so it would be the same

Step-by-step explanation:

6 0
3 years ago
What's <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B11%20%5Ctimes%203%20%2B%203%7D%20" id="TexFormula1" title=" \sqrt{11 \
dolphi86 [110]

Answer:

<em>6</em><em> </em><em>Ans</em><em> </em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

Step-by-step explanation:

Data:

√11 x 3+3

Solution:

=√11 x 3+3

=√33+3

= <em>6</em><em> </em><em>A</em><em>n</em><em>s</em><em> </em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

5 0
3 years ago
X3
Dahasolnce [82]

Answer:

A

Step-by-step explanation:

if X is 7, and is connected/touching the three. You have to multiply and 7×3=21

6 0
4 years ago
Read 2 more answers
In an effort to persuade customers to reduce their electricity consumption, special discounts have been offered for low consumpt
Genrish500 [490]

Answer:

please mark me brainlist

Step-by-step explanation:

p = proportion of residents qualified for discounts = 0.70

Sample size = 20

If X is the no of residences selected for discounts then x is binomial with (20,0.7)

P(X>=12) = 0.8867

4 0
3 years ago
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