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Usimov [2.4K]
3 years ago
8

A recipe that makes 6 servings calls for 1/3 cup of sugar. Arlene modifies the recipe so that it can serve 9. How many cups of s

ugar does Arlene need?
A.

1/3


B.

1/2


C.

1 1/2


D.


3
Mathematics
1 answer:
ella [17]3 years ago
8 0
So with 1 cup of sugar u could have 18 servings. divide that by 2 equals 9 which is how many servings you need. divide 1 by 2 and get 1/2. she would use 1/2 cups of sugar.
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Solve for v<br><br> 3v+9-8v= -31<br> Simplify your answer as much as possible.
balandron [24]
Let's solve your equation step-by-step.
<span><span><span><span>3v</span>+9</span>−<span>8v</span></span>=<span>−31
</span></span>Step 1: Simplify both sides of the equation.
<span><span><span>−<span>5v</span></span>+9</span>=<span>−31
</span></span>Step 2: Subtract 9 from both sides.
<span><span><span><span>−<span>5v</span></span>+9</span>−9</span>=<span><span>−31</span>−9</span></span><span><span>−<span>5v</span></span>=<span>−40
</span></span>Step 3: Divide both sides by -5.
<span><span><span>−<span>5v</span></span><span>−5</span></span>=<span><span>−40</span><span>−5
</span></span></span><span>v=<span>8</span></span>
6 0
3 years ago
1. Solve the system.
Sliva [168]

Answer:

D

Step-by-step explanation:

We put 2nd equation into 1st equation and get y:

y=\frac{1}{7}x-4\\y=\frac{1}{7}(7y+1)-4\\y=y+\frac{1}{7}-4\\y=y-\frac{15}{4}\\NOTHING

We can't seem to come to a solution.

Also let's rearrange the 2nd equation into y = something form:

x = 7y + 1

7y = x - 1

y = 1/7 x -1

As we can see BOTH the lines have the same SLOPE, the number before x, which is 1/7 and we know that lines with same slope are parallel, they never intersect.

Having a solution to a system means their intersection point, since they are parallel lines, they don't intersect, and hence DO NOT HAVE A SOLUTION.

D is the correct choice.

8 0
4 years ago
Pls help it's due tonight!!!<br> :((((((
statuscvo [17]
I think AB is 3!!

i hope i’m right good luck ,:D
4 0
3 years ago
Read 2 more answers
a sphere and a right cylinder have the same radius and volume. the cylinder has a height of 8 feet. find the radius.​
lakkis [162]

Answer:

Step-by-step explanation:

5 0
3 years ago
Timed assessment here! Can anyone please help me solve this!!!!!
Gnom [1K]
Ur 2 angles, when added, form a line....so they are a linear pair that equals 180

5k - 3 + 9 + k = 180
6k + 6 = 180
6k = 180 - 6
6k = 174
k = 174/6
k = 29
3 0
3 years ago
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