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aleksandr82 [10.1K]
3 years ago
15

Can someone please help me ..I can’t get anymore questions wrong or else I will fail I need help

Mathematics
2 answers:
dedylja [7]3 years ago
5 0

Answer:

maybe number 2

Step-by-step explanation:

because if 2+k=18 then there is no other k there and where did the additional 2 come from ?and 2k=18 then value of k is 9 + there is balance.I may be wrong correct me but i think it is no.2

andrey2020 [161]3 years ago
3 0

Answer:

2k = 18

k = 9

Step-by-step explanation:

First we have to look at each side of the hanger.

There are 2 <em>k</em>'s, which can be represented as "2 times the value of <em>k</em>" or <em>2k</em>.

On the other side, we have the value of 18. The question states that the two sides are balanced. Therefore, the correct equation that represents the image is:

2k = 18.

To find the value of <em>k</em> that makes the equation true, we must isolate the variable <em>k</em>. To do this, we divide 2 from each side of the equation.

2k ÷ 2 = 18 ÷ 2

k = 9.

The value of <em>k </em>that makes the equation true is 9.

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2.find the missing rectangle in the middle......
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find the missing area in the middle, 12* 23 = 276
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4 0
2 years ago
Pleaaseee help, i need the answer asap! (WILL GIVE BRAINLIEST!!)
Setler79 [48]

Answer:

A.

Step-by-step explanation:

Substituting the ordered pairs into the equation. 3x - y/4 = 11

For (3,-8)

3 * 3 - (-8)/4

9- (-2) = 11

For (4, 4)

3 * 4 - 4/4

12 - 1 = 11

Both ordered pairs equals to 11, therefore, they're both solutions to the equation.

8 0
3 years ago
Will give brainliest to the homie that gets it right! please help!
12345 [234]
I'm pretty sure the answer to your question is -3/5 + 4/5. C.

4 0
3 years ago
Read 2 more answers
Maya can run 18 miles in 3 hours, and she can bike 18 miles in 2 hours.
nataly862011 [7]

Answer:

Her speed is 9 miles per hour

Step-by-step explanation:

18 divided by 2= 9

so she can drive 9 miles in an hour

5 0
2 years ago
Benjamín made 3 times more than Alberto and Carlota 2 times more than Benjamín, so how much is it, help me
vichka [17]

Step-by-step explanation:

you are "hiding" some more information (like how much they made together).

without that we cannot calculate the actual values.

all I can do is set up the equations expressing the given relations between the parts of the total :

a = amount Alberto made

b = amount Benjamin made

c = amount Carlota made

b = 3×a

c = 2×b = 2× 3×a = 6×a

that's it.

your see ? now we need something that "ties" all 3 together, an equation of all 3 variables, where we can use the first 2 equations (by substitution) and then solve for the remaining third variable.

and that is missing.

if it is something like "together they made x", then we would have

a + b + c = x

a + 3a + 6a = x

10a = x

a = x/10

b and c we get then from the first 2 equations by simply using the calculated value of a :

b = 3×(x/10) = 3x/10

c = 6×(x/10) = 6x/10 = 3x/5

7 0
2 years ago
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