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3 years ago

Can some on help me on this question?

Mathematics

2 answers:

mario62 [17]3 years ago

6 0

Answer:

x=10 and x-7 is the answer

Step-by-step explanation:

a)2x-7=13

2x=13+7

2x=20

x=20/2

x=10

b)3x+4=25

3x=25-4

3x=21

x=21/3

x=7

i hope it will help you

denpristay [2]3 years ago

5 0

Answer:

a) $x=10$

b) $x=7$

Step-by-step explanation:

2x-7=13

Add 7 to both sides

2x=20

Divide both sides by 2

x=10

3x+4=25

Subtract 4 from both sides

3x=21

Divide both sides by 3

x=7

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KIM [24]

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4 0

3 years ago

The sum of two consecutive integers is 123 what’s is the smallest of the two integers

RideAnS [48]

The smallest of two integers is 61

Step-by-step explanation:

Let x be the smaller integer

Then the next integer will be:

x+1

According to given statement that the sum of both is 123

$x+ (x+1) = 123\\x+x+1=123\\2x+1=123$

Subtracting 1 from both sides

$2x+1-1=123-1\\2x=122$

Dividing both sides by 2

$\frac{2x}{2}=\frac{122}{2}\\x=61$

The smallest of two integers is 61

Keywords: Linear equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

6 0

3 years ago

Please help me with this ❤️❤️❤️

tester [92]

Answer: h=P/mg

Step-by-step explanation:

7 0

3 years ago

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levacccp [35]

Answer:

5 units

Step-by-step explanation:

You can use the distance formula or pythagorean theorem to solve this.

Original point A: (0,0)

New point B: (3, 4)

Distance formula: $\sqrt{(x_{2}-x_{1})^{2} +(y_{2}-y_{1})^{2} }$

Plug the points in:

$\sqrt{(3-0)^{2} +(4-0)^{2} }$ = 5

5 units

5 0

3 years ago

Yvonne is interested in testing the effectiveness of a new flea medication on dogs, so she divided some dogs with fleas into two

meriva

Actually, the real answer is "NO, BECAUSE GROUP B SHOULD BE THE CONTROL GROUP". Since Yvonne gave the flea medication to the group A, and we need a control group. If you don't know what it's the control group, it's the group that they don't put the experiment on, just to see if the group(s) being experimented, had any positive or negative changes. In a short summary they need group B to stay like they are to compare it to the experimented group (group A)

Good Luck!

7 0

3 years ago

Read 2 more answers