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labwork [276]
3 years ago
14

20 - b/4 = 23 what is the variable number

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
3 0

Answer:

b=-12

Step-by-step explanation:

20-\frac{b}{4} =23

→ Minus 20 from both sides

-\frac{b}{4} =3

→ Multiply both sides by -4

b=-12

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A construction worker needs to determine the volume of a sandpille in a construction yard as shown
postnew [5]
Answer:
6580cm
Step-by-step explanation:
The answer is 6580cm because....
Step one First let's figure out what the smaller shape's volume is. To do so we need to multiply ( LxWxH ) so 6x5x? it does not list what the height is so we know it has the same height as the larger shape and it's height is 14cm so we will use 14cm. 6x5x14=420cm
Step two Now lets find the Volume of the larger shape. So lets do LxWxH so Lx?x14 it does not give us the length so we need to add up all of the numbers along the line. We got 7cm then 5 from the bottom of the smaller shape and 10cm. all ads up to 22cm so 20x22x14=6160
Finally we add up the following shapes Volume which are 6160+420=6580cm
3 0
3 years ago
Pleaseeee help meeeeeee
Rasek [7]
I think it's the first one :?
5 0
3 years ago
**The given angles are (-1+38x) and (36x+3)".<br><br> x=
topjm [15]

Answer:

x = 2

Step-by-step explanation:

these angles are alternate-interior angles which are congruent

-1 + 38x = 36x + 3

38x = 36x + 4

2x = 4

x = 2

7 0
3 years ago
Simple interest $1600.00 at 6% for 180 days
ikadub [295]

Answer:

Interest = $47.34

Step-by-step explanation:

Formula:-

Simple interest I = PNR/100

P - Principle amount  

N - number of years

R - Rate of interest

It is given that

P = $ 1600

R = 6%

Number of days = 180 days

<u>To find the simple interest for 1 year(365 days) </u>

I = PNR/100

= (1600 * 1 * 6)/100 = $96

<u>To find the interest for 180 days </u>

For 365 day I = $96

For 180 days I = (180/365) * 96

I  = $47.34

7 0
3 years ago
I know one answer is C
SSSSS [86.1K]

Answer:

A&C

Step-by-step explanation:

As, you said, the first answer is C. Now, we are given seven, and when we are adding a negative number, we move in the direction of left, and since we are moving by 7, we would be moving 7 to the left. Therefore, the other answer is A.

7 0
3 years ago
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