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gavmur [86]
3 years ago
11

Help~!

Mathematics
1 answer:
Murljashka [212]3 years ago
8 0
A but im not as sure
You might be interested in
PLSS HELP ME WITH THIS
kolbaska11 [484]

Answer:

127

Step-by-step explanation:

400+1495=1895

1895/15=126.333333333

8 0
3 years ago
A recipe for salad dressing uses 60mL of vinegar for 240mL of oil. Emily has 40mL of vinegar,how much should she use? Show your
soldier1979 [14.2K]

Answer:

Emily should use 160mL of oil

Step-by-step explanation:

If you only have 40mL of vinegar you would have to cut the recipe by 1.5

60/1.5=40

240/1.5=160

4 0
3 years ago
What is the solution to the equation 9k = 40.5?<br><br> k= 4<br> k= 4.5<br> k= 5
Scilla [17]

Answer:

k=4.5

Step-by-step explanation:

40.5/9

3 0
3 years ago
Read 2 more answers
Solve the system of equations y = 2x + 3 and 4x - 2y = -6 using a graphical method.
emmasim [6.3K]

Answer:

-1

Step-by-step explanation:

You are asked to solve this set by substitution. Note that the first equation defines

the value of y in terms of x. Therefore, you can use the right side of this equation

(2x + 3) as a substitution for y in the second equation. When you substitute 2x +3 for y

in the second equation, the result is:

.

2x + 3 = 4x + 7

.

Let's set the goal of getting all the terms that contain x isolated on the left side of

the equal sign and all the constants by themselves on the right side. Begin by getting rid

of the +3 on the left side by subtracting 3 from the left side. But if you subtract

3 from the left side you must also subtract 3 from the right side. These subtractions

result in the following sequence:

.

2x + 3 - 3 = 4x + 7 - 3

.

Combining numbers on the left side and on the right side simplifies the equation to:

.

2x = 4x + 4

.

Now, in a similar fashion, let's get rid of the 4x on the right side by subtracting

4x from the right side. When we do this subtraction, to keep the equation in balance

we must also subtract 4x from the left side. This results in:

.

 

2x - 4x = 4x - 4x + 4

.

On both sides of the equation combine terms containing x to get:

.

-2x = 4

.

Finally, solve for x by dividing both sides of the equation by -2 because -2 is the multiplier

of x. This results in:

.

x = 4/-2 = -2

.

So now that we know x = -2, we can return to either one of the original equations  

in the equation set and substitute -2 for x. Then we can solve for y. Let's return

to the first equation and substitute -2 for x. This begins with:

.

y = 2x + 3

.

Then substituting -2 for x gives:

.

y = 2*(-2) + 3 = -4 + 3 = -1

7 0
3 years ago
Which is more 0.94 or 0.9
Airida [17]
0.94

.94 -> 94%

0.9 -> 90%
5 0
3 years ago
Read 2 more answers
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