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Vikentia [17]
3 years ago
12

Last Wednesday, students could choose ham or turkey sandwiches for lunch. The cafeteria made 50 sandwiches in all, 5 of which we

re turkey. What percentage of the sandwiches were turkey sandwiches?
Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
5 0

Answer:

90%

Step-by-step explanation:

50%×2 100%

5%×2 10%

45%×2 90%

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3u - 3 = 15<br><br>give me a lecture so i can try to do it in the future please​
never [62]

Answer:

u=6

Step-by-step explanation:

One rule in algebra is what you do to one side, you do it to other side. So if you multiply a number in one side, multiply the same number in other side. Here in this question, you are trying to find the value of the variable u. Variable is called so because the value of it varies depending on different question. Here u is going to be a constant number which when multipled by 3 and then subtracted by 3 equals 15.

So first step is we try to get constants on one side. So we add 3 on both sides to get rid of 3 on left.

3u - 3 + 3= 15+3

3u= 18

Now we divide by 3 on both sides to get u by itself.

3u/3 = 18/3

u= 6

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3 years ago
3x-91&gt;-87 AND 17x-16&gt;18
kirill [66]

3x-91 > -81\ \ \ \ |+91\\\\3x > 10\ \ \ \ |:3\\\\x > \dfrac{10}{3}\\\\17x-16 > 18\ \ \ \ |+16\\\\17x > 34\ \ \ \ |:17\\\\x > 2\\\\Answer:\ 2 < x < \dfrac{10}{3}\to x\in\left(2,\ \dfrac{10}{3}\right)

3 0
3 years ago
Read 2 more answers
How are the ordered pairs (4,9) and (4, -9) similar, and how are they different? Are the two points related by a reflection over
djyliett [7]

Answer:

(4,9) is in quarter I and (4,-9) is in quarter IV of the graph. (4,-9) is the point (4,9) reflected over the x-axis. they are similar bc both have 4 as their x coordinate.

Step-by-step explanation:

4 0
3 years ago
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Suppose y varies jointly as x and z. Find y when x=-9 and z=23, if y=117 when x=-3 and z=-11. Round your answer to the nearest h
Andrew [12]

Answer:

The value of y given the values of x and z in the question is -734.85

Step-by-step explanation:

This is a joint variation question.

First, we are made to know that y varies jointly as x and z.

The equation for this can be written as;

y = k * x * z

Where k is the constant of proportionality.

Let’s calculate k first.

117 = k * (-3) * (-11)

33k = 117

K = 117/33 = 3.55

Now, we proceed to get what y is when x = -9 and z = 23

Let’s plug these values into the initial equation written.

y = k * x * z

We use the value of k calculated above;

y = 3.55 * (-9) * (23) = -734.85

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3 years ago
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Which data set COULD NOT be represented by the histogram shown?
Murrr4er [49]

Answer:

PLEASE SOMEONE ANSWER THIS, PLEASE!!!!!!!!!!!!

Step-by-step explanation:

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