2 years ago

What is the value of x in the equation below?

Mathematics

1 answer:

Licemer1 [7]2 years ago

3 0

Answer:

Step-by-step explanation:

$\frac{6 + 2x}{4} = 6 \\ 6 + 2x = 6(4) \\ 2x = 24 - 6 \\ x = \frac{18}{2} \\ x = 9$

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2830000000 who can write this number in “Scientific Notation.”

Genrish500 [490]

Answer:

$2.83*10^{9}$

Step-by-step explanation:

4 0

4 years ago

Simplify the expression: 2(5a - 4a ) + 6a

miv72 [106K]

Hello from MrBillDoesMath!

Answer: 8a

Discussion :

Let's study the expression:

2(5a - 4a) + 6a

The boldfaced term simplifies to "a" as 5 = 4 = 1. So the expression becomes

2a + 6a

As 2 + 6 = 8, 2a + 6a = 8a.

Regards, MrB

6 0

3 years ago

6х + 4y + 2z = 32 3х - 3y - z = 19 3х + 2y + z = 32 x = ? y = ? z = ?

blsea [12.9K]

×=12

y=9

z=2 not sure I'm right

3 0

3 years ago

She has 7 initiatives and wants to put 2 stickers on each. She has 10 stickers. How many more stickers does she need?

Zina [86]

Answer:

Step-by-step explanation:

If she wants to put 2 on each invitation, then we multiply the amount of invitations she has by the amount of stickers going on each invitation. 7 times 2 is 14.

She has 10 stickers, and she needs 14 in total, so we subtract 10 from 14 and we get 4.

In conclusion, the girl needs 4 sticks more

8 0

3 years ago

Line segment KL is tangent to circle J at point K.

Shalnov [3]

we know that

if the line segment KL is tangent to circle J at point K

then

KL is perpendicular to KJ

the triangle KJL is a right triangle

Applying the Pythagorean Theorem

$LJ^{2} =KL^{2}+KJ^{2}$

we have

$KL=24\ units\\KJ=r\ units\\JL=(16+r)\ units$

substitute the values

$(16+r)^{2} =24^{2}+r^{2}\\256+32r+ r^{2}=576+ r^{2} \\32r=576-256 \\r= 320/32\\r=10\ units$

therefore

the answer is the option B

$10\ units$

3 0

3 years ago

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