3 years ago

HELP ME AS FAST AS POSSIBLE! 95 POINTS!!!

Mathematics

2 answers:

Likurg_2 [28]3 years ago

7 0

Answer:

Step-by-step explanation:

4 (x - 7) - 2 (x + 1) = 10

x = 10

B. -2 (x - 7) + (x + 1) = 5

x = 10

your equation is equivalent to B!

cricket20 [7]3 years ago

4 0

Answer: -2(x-7) +(x +1)= 5

Step-by-step explanation:

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2+8+5+9+90= 3+45+111=

Anastasy [175]

Answer:

1) 114

2) 159

Step-by-step explanation:

2+8+5+9+90 = 114

3+45+111 = 159

Hope this helps.

8 0

3 years ago

the water level in a plastic pool changed by -8 gallons each hour due to small hole in the bottom after6 hours the pool containe

Yuri [45]

x - 6(8) = 132

x = 48 + 132

x = 180

180 gallons was in the pool originally.

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3 years ago

Molly is painting her bedroom walls, and the paint costs $24 per gallon. how much does the paint cost per quart?

Lostsunrise [7]

$24 divided into quarts is $6

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3 years ago

Read 2 more answers

How do you call the number pair that is used to describe a point on a plane

Degger [83]

Answer:

Maybe ordered pair

Step-by-step explanation:

I'm guessing you meant like what is it called

5 0

3 years ago

2)If triangle RPQ is a right angled triangle at Q. If PQ = 5cm and RQ = 10 cm,find (i) sin ^2 P (ii) cos ^2 R and tan R (iii) si

Scorpion4ik [409]

Answer: (i) 1 (ii) 3/4 , √3/3 (iii) 0 (iv) 1

Step-by-step explanation:

ΔRPQ is 1 30°-60°-90° triangle because RQ = 2PQ , where

∠R = 30°
∠P = 90°
∠Q = 60°

(i) sin² (90°) = 1² = 1

$\text{(ii)}\ \cos ^2(30^o)= \bigg(\dfrac{\sqrt3}{2}\bigg)^2=\dfrac{3}{4}$

$.\quad \tan (30^o)=\dfrac{1}{\sqrt3}\bigg=\dfrac{\sqrt3}{3}$

(iii) sin (90°) × cos (90°) = 1 × 0 = 0

(iv) sin² (90°) - cos² (90°) = 1² - 0² = 1

5 0

3 years ago