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BlackZzzverrR [31]
4 years ago
5

4. If 7a = 14, then 12a -

Mathematics
2 answers:
givi [52]4 years ago
8 0

Answer:

24

Step-by-step explanation:

the value of a is 2, therefore 7x2=14 and 12x2=24

Alisiya [41]4 years ago
4 0

Answer:  a=2

Step-by-step explanation: Well when we look at 7a = 14 how did we get to 14? Well, 7 times 2 equals 14 correct? so, we know that the variable a must equal 2. We then need some answer for 12a = __. We will need to use what we learned from the first problem which was that a equaled 2. Therefore 12a = 24.

Hope this is what you were looking for! :)

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There’s a picture of my question plz help :)
Degger [83]

Answer:

1,534 inches squared

Step-by-step explanation:

To find surface area we just solve for the area of all the sides and add those together. A rectangular prism (a box like above) has 6 sides. There are...

2 sides each of the following dimensions:

2(13×26)=

2(338)=676

2(13×11)=

2(143)=286

2(26×11)=

2(286)=572

Add the area of all 6 sides...

676+286+572=1,534

Remember it is squared not cubed.

5 0
3 years ago
Solve for y: 6x-2y=-8
Stella [2.4K]
<span>6x-2y=-8
-2y =-6x-8
y = 3x+4

y= 3x+4</span>
4 0
4 years ago
Read 2 more answers
| 8 - 2x | &gt; (or equal to) x? find the absolute value
docker41 [41]
Solve for x by simplifying both sides of the equation, than isolating the variable.

x ≤ 8/3 or x ≥ 8 

5 0
3 years ago
15 pts awarded and brainliest will be chosen!!!
Delvig [45]

Answer:

A. x < 6 and x > - 28

Step-by-step explanation:

We have been given the following inequality;

| x+11 | < 17

We can replace the absolute value function by re-writing the inequality as;

-17< x+11<17

subtract 11 from both sides;

-17-11<x+11-11<17-11

-28<x<6

splitting this we have;

x<6

x>-28

7 0
3 years ago
Read 2 more answers
What is the circumference of a dinner plate with a radious of 4.5 inches​
____ [38]

Answer:

28.27 inches

Step-by-step explanation:

-Circumference of a circle is calculated using the formula:

C=\pi D\\\\=2\pi r

#Substitute for radius in the formula to solve for C:

C=2\pi r\\\\=2\pi \times 4.5 \\\\=28.27 \ in

Hence, the plate's circumference is 28.27 inches

4 0
3 years ago
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