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Dimas [21]
2 years ago
9

7(b+4)=14 find the value of the variable

Mathematics
2 answers:
Tasya [4]2 years ago
4 0

Answer:

b= -2

Step-by-step explanation:

Artist 52 [7]2 years ago
4 0

Answer:

b = -2

Step-by-step explanation:

First, isolate (b + 4) by dividing both sides of this equation by 7.  We get:

b + 4 = 2, so that b = -2

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4. A parking lot contains 21 sedans. Sedans are found at a ratio of 7:5 to SUVs in the parking lot. How many
Mice21 [21]

Answer:

they are both divisible by 3

7 x 3 = 21

5 x 3 = 15

Step-by-step explanation:

hope this helps lucas (mr. calvelo)

6 0
2 years ago
Solve the system by substitution.
tino4ka555 [31]
As we know y=3/4x-3
Let's put it in the second equation
3/4x-3=1/4x+1
3/4 x -1/4 x = 1+3
2/4 x = 4
X= 4*4/2
x=8
Put x= 8 in first equation
y= 3/4 *8 -3
y=6-3
y=3
Check the answer
3=3/4 *8 -3
3=6-3
3=3
Correct
So(y, x) = (3,8)
Because x=8 and y=3
3 0
3 years ago
The darnells are having a swimming pool installed. the pool has a radius of 14 feet and a height of 4 feet. what is the volume o
Drupady [299]

Answer: 2461.76 cubic feet

Step-by-step explanation:

V=\pi r^{2} h\\\\V=(\pi)(14^{2})(4)\\\\V\approx (3.14)(14^{2})(4)=\boxed{2461.76}

8 0
2 years ago
3) they will have the same solution because the first equation of system B is obtained by adding the first equation of system a
Andrej [43]

The two systems have the same solution.

The correct answer is 3) since the first equation of system B is indeed the addition of the first equation of system A and 4 times the second equation of system A.

Answer: 3)

8 0
3 years ago
I’ll give brainiest HELP PLEase!
garri49 [273]

Answer: The answer is 14

So u take the 58 to the other side and it becomes -58 so subtract 72-58 and you will get the answer for g

8 0
3 years ago
Read 2 more answers
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