All categories

3 years ago

When twice a number is added to 5 the result is 27 + Brain

Mathematics

2 answers:

ryzh [129]3 years ago

8 0

Answer:

Step-by-step explanation:

hichkok12 [17]3 years ago

3 0

Answer:

Step-by-step explanation:

Let x be the unknown number

2x+5 = 27

Subtract 5 from each side

2x+5-5 = 27-5

2x = 22

Divide each side by 2

2x/2 = 22/2

x = 11

The number is 11

You might be interested in

Determine the equation of the plane in the form

Bond [772]

A plane parallel to vectors <9, 6, 2> and <-8, -4, -5> is given by
$\left|\begin{array}{ccc}x&y&z\\9&6&2\\-8&-4&-5\end{array}\right| =0\\ (-30 + 8)x - (-45 + 16)y + (-36 + 48)z = 0\\-22x+29y+12z=0$

Since the plane passes through point (5, -5, 8), then
-22(5) + 29(-5) + 12(8) = -110 - 145 + 96 = -159

The required plane is -22x + 29y + 12z = -159
z = 11/6x - 29/12y - 53/4

8 0

3 years ago

The perimeter of a rectangle is 400 yards. What are the dimensions of the rectangle if the length is 90 yards more than the wid

mihalych1998 [28]

X+90 = length
x=width
4x+180=400
4x=220
x=55

The width is 55 yards and the length is 145 yards

6 0

4 years ago

What is the ratio of 2 cups of water for 1 cup of rice

alexdok [17]

Answer:

2 to 1; 2:1

Step-by-step explanation:

There are two cups of water and one cup of rice. It's a two to one ratio.

5 0

3 years ago

Read 2 more answers

The product of 3 x is less than 9

ahrayia [7]

3x-9 would equal 3(x-3) because you factor the 3 out of the 9.

5 0

3 years ago

URGENT! DO NOT TROLL!

nexus9112 [7]

Hello!

The formula for area of a circle is $\pi r^{2}$

$\pi$ is 3.14 (which is 22/7), and r stand for the radius, which is half of the diameter. If the diameter is 28 cm, the radius is 14 cm.

$\pi 14^{2}$
$\pi (196)$
616

Answer:
Approximately 616 cm $^{2}$ .

Hope this helps!

7 0

3 years ago