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Tcecarenko [31]
2 years ago
14

HELP WILL MARK BRAINLIEST IF GOTTEN RIGHT!!!!!!! PLS DONT ASNWER IF U DONT KNOW

Mathematics
1 answer:
Savatey [412]2 years ago
8 0

Answer: 33 degrees

Step-by-step explanation: plz mark me brainliest

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5 points
Svet_ta [14]

Answer:

answer 90

Step-by-step explanation:

since the sum of the external angles

triangle is 180

internal equal to 90

3 0
2 years ago
Simplify the expression 4x(2x2 − 7x + 3).<br> This one is killing me..
Papessa [141]
Use:\\distributive\ property:a(b+c)=ab+ac\\commutative\ property:a\cdot b=b\cdot a\\assiocative\ property:a\cdot(b\cdot c)=(a\cdot b)\cdot c\\and\ a^n\cdot a^m=a^{n+m}\\-----------------------\\\\4x(2x^2-7x+3)=(4x)(2x^2)+(4x)(-7x)+(4x)(3)\\\\=(4\cdot2)(x^1\cdot x^2)-(4\cdot7)(x^1\cdot x^1)+(4\cdot3)(x)\\\\=8x^{1+2}-28x^{1+1}+12x\\\\=\boxed{8x^3-28x^2+12x}
5 0
3 years ago
Keiva made $96 in necklace sales and half that amount in bracelet sales. How much money did Keiva make in necklace and bracelet
erastovalidia [21]

Answer: 192

Step-by-step explanation:

96 x 2 = 192

Keiva made 192 in necklace & bracelet sales in total.

4 0
2 years ago
Drove 50 km on 6 L of gasoline. Which proportion would help determine how far she can travel on a full 40 L tank of gasoline?
RoseWind [281]

Answer:

50 : 6 = x : 40 is the proportion


Step-by-step explanation:

50 : 6 = x : 40

x = 50 * 40 : 6

x = 333.33

--------------------------

check

50 : 6 = 333.33 : 40

8.33 = 8.33

The answer is good






3 0
3 years ago
Read 2 more answers
Simplify the expression. Write your answer as a power. (−4)^5⋅(−4)^7
vlada-n [284]

Answer:

(-4)^12

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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