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LiRa [457]
4 years ago
15

What is the product of -9(5-2x)

Mathematics
2 answers:
nata0808 [166]4 years ago
5 0
-45+18x is the answer
Hope this helped <3
sergejj [24]4 years ago
4 0

Answer:

\text{The product is -45+18x}      

Step-by-step explanation:

Given the expression

-9(5-2x)

we have to find the product.

-9(5-2x)

By distributive property,

a(b+c)=ab+ac

\text{Put a=-9, b=5 and c=-2x}

-9(5+(-2x))=-9(5)+(-9)(-2x)=-45+18x

which is the required product.

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Solve the triangle for all missing sides and angles
Mama L [17]

Answer:

x = 35

C = 18.92

A = 71.07

Step-by-step explanation:

x)

Use the Pythagorean theorem to find the unknown side.

a^{2} +b^{2} =c^{2} \\\\\\12^{2} +x^{2} =37^{2} \\x^{2} = 37^{2}-12^{2}\\x=35

For Angle C

The angle C can be found using the inverse sine function.

C=arcsin(opp/hyp)

C=arcsin(12/37)

C=18.92

For Angle A

The sum of all the angles in a triangle is 180 degrees.

A + 90 + 18.92 = 180

A = 71.07

8 0
3 years ago
a)b 256What are the values of a and b in the equation(4x[4x2- ?○ a-2, b-4○ a=-2, b-4○ a-2, b=-4○ a-2, b=-422aaaa0000C日
klasskru [66]
Hi.... your answer is below:

\left( 4.x^{a} \right)^{b}=\dfrac{256}{x^{8}}\rightarrow 4^{b}x^{ab}=256x^{-8}\rightarrow 2^{2b}.\,x^{ab}=2^{8}.\,x^{-8}\rightarrow\\ \text{by comparison}\\ 2^{2b}=2^{8}\rightarrow 2b=8\rightarrow \boxed{b=4}\\ x^{ab}=x^{-8}\rightarrow x^{4a}=x^{-8}\rightarrow 4a=-8\rightarrow \boxed{a=-2}

Thanks....
8 0
4 years ago
Marcus looked up the path that he had taken on his run this morning on the map shown below.
AURORKA [14]

Answer: 6 miles.


Step-by-step explanation:

1. To solve this problem you only need to add the distances shown in the map attached, which shown the path Marcus had taken. Then, you have:

Total_{distance}=1in+3inches+2inches+2.3inches\\Total_{distance}=8.3inches

2. Now, you must convert the result obtained from inches to miles. According to the problem 4inches=3miles, therefore, you have:

Total_{distance}=\frac{8,3inches*3miles}{4inches}\\Total_{distance}=6.22miles

3. To the nearest mile:

Total_{distance}=6miles


6 0
4 years ago
Read 2 more answers
Perimeter is 26 feet and length is 6 feet what is the width
Charra [1.4K]
Hey!!

here is your answer >>>

If lenght and width are given, it must be a rectangle ,

the formula for the perimeter of rectnagle is

2 ( Lenght + breadth )

Lenght is 6ft

Width = ?

perimeter = 26

2 ( 6 + Width ) = 26

6 + Width = 13

Width = 7ft

Hope my answer helps!
3 0
3 years ago
Which expression has a positive value?
mote1985 [20]

Answer: That would be A and C

  • A. = 26/3
  • B. = -20
  • C. = 1
  • D. = -3

Step-by-step explanation:

I hope it helps :)

A.

\frac{ - 4 + ( - 5)( - 6)}{3}  \\  \frac{ - 4 + 30}{3}  \\  \frac{26}{3}  = 8 \frac{2}{3}  = 8.67

B.

8( \frac{10}{(2)( - 2)} ) \\ 8( \frac{10}{ - 4} ) \\ 8(  - \frac{5}{  2} ) = -  20 \\

C.

3( \frac{ - 64}{8} ) + 25 \\ 3(  - 8) + 25 \\  =  - 24 + 25  \\ = 1

D.

\frac{ - 2( - 5)( - 3)}{10}  \\  \frac{ - 30}{10}  \\  =  - 3

7 0
3 years ago
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