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sergiy2304 [10]
3 years ago
5

-12=5(6x+4)+7(x+6) is the question

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
3 0

Answer:

x=-2

Step-by-step explanation:

-12=5(6x+4)+7(x+6)

30x+20+7x+42=-12

37x+62=-12

37x=-12-62

37x=-74

x= -2

I hope this will help you

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A right rectangular prism has a length of 8 cm, a width of 3 cm, and a height of 5 cm. What is the surface area of the prism? En
valina [46]
SA=2LW+2WH+2HL
SA=2(8*3)+2(3*5)+2(5*8)
SA=158 cm
4 0
3 years ago
Distance between 2,-5 and 3,-7
joja [24]

Answer:

√5

Step-by-step explanation:

(2 ,-5) = (x_1,y_1)\\(3,-7)=(x_2,y_2)\\\\d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\ \\d = \sqrt{(3-2)^2 +(-7-(-5))^2}\\ \\d = \sqrt{(1)^2+(-7+5)^2}\\ \\d = \sqrt{(1)^2 + (-2)^2}\\ \\d = \sqrt{1 +4}\\ \\d = \sqrt{5}

4 0
3 years ago
Find the value of x.
I am Lyosha [343]

Answer:

<u>4</u>

Step-by-step explanation:

First you would need to look at the line at the right. It has 2 parts, 3 and 2. When added you get 5.

As when you look at the other side it only has 2 and x.

To make it simple 5 - 1 = 4.

That is your final answer.

Hope this helps!

8 0
3 years ago
Read 2 more answers
please help :( please help :( please help :( please help :( please help :( please help :( please help :( please help :(​
Virty [35]

Answer:

(1) 23.55mm³

(2) 340.17in³

Step-by-step explanation:

Volume of a cone is: V=\frac{1}{3} \pi r^2h

'r' - radius

'h' - height

<h3>Cone 1:</h3>

The height of Cone 1 is 10 mm. The Diameter of Cone 1 is 3mm.

Radius is half the Diameter.

3/2=1.5

The radius is 1.5 mm.

\text {Using 3.14 as pi: }\\V=(1/3)3.14*1.5^2*10\\V=(1/3)3.14*2.25*10\\V=(1/3)70.65\\\boxed{V=23.55}

The volume of Cone 1 should be about 23.55mm³.

<h3>Cone 2:</h3>

The height of Cone 2 is 13 in. The Radius of Cone 2 is 5 in.

Using 3.14 as pi:

V=(1/3)3.14*5^2*13\\V=(1/3)3.14*25*13\\V=(1/3)1020.5\\\boxed {V=340.166666667}

340.166666667 ≈ 340.17

The volume of Cone 2 should be about 340.17in³.

8 0
3 years ago
Simplify the expression using positive exponents. <br><br> 5^9 ⋅ 5^3
uranmaximum [27]
5^12 is the answer for this question
7 0
2 years ago
Read 2 more answers
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