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Arada [10]
3 years ago
11

If x=7 and y=-3 xy/3 + 2

Mathematics
1 answer:
11111nata11111 [884]3 years ago
5 0

Answer:

-5

Step-by-step explanation:

x = 7

y = -3

\frac{xy}{3} +2\\\\\frac{7(-3)}{3} +2\\\\\frac{-21}{3} +2\\\\-7+2\\-5

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Mrs. Rockwell lost money on an investment at a rate of $4 per day. What integer represents the change in her investment, due to
Lilit [14]

Answer: -112

Step-by-step explanation:

Given: Rate of lost money on an investment  = $4 per day.

Since 1 week = 7 days

So,  Amount of money she lost in 1 weeks = $ 4 x 7 = $28

⇒ Amount of money she lost in 4 weeks = $ 28 x 4 = $112

Since in integers,  a loss is represented by negative integer.

So, Mrs. Rockwell lost $112 after 4 weeks which is represented by "-112" integers.

4 0
3 years ago
Given a line segment that contains the points A,B,& C in order, if AB = x + 12, and Bo2.4, and AC = 26 = ?
natulia [17]

Answer:

x=11.6

Step-by-step explanation:

According to the angle addition postulate, if B lies on AC, than AB+BC=AC.

We can use this to create this equation.

x+12+2.4=26 Where x+12 is the value of AB and 2.4 is BC.

The next step is to combine like terms, so we add 12 to 2.4 to get

x+14.4=26. When trying to find the value of a variable, you must isolate it. To do this for this equation, we must subtract 14.4 from both sides which will give you.

x=11.6

Hope this helps. If you have any follow-up questions or I misunderstood the question, please tell me and I will fix it or explain more.

Have a great day! :)

7 0
3 years ago
Read 2 more answers
In the rhombus m<1 =160. What are m<2 and m<3? The diagram isn't drawn to scale
Zolol [24]
A rhombus is a parallelogram with four equal sides and two sets of equal angles.

If the m<1=160°, then the angle opposite (3) would also be 160°.

m<3=160°.

Becuase it is a parallelogram, the sum of the measurment of two angles that share a line would be 180 (supplementary).

m<2 and m<4 is 20°.
5 0
3 years ago
Solve the equation for y.
gayaneshka [121]

Answer: C

Step-by-step explanation:

2x+5y=5

\mathrm{Subtract\:}2x\mathrm{\:from\:both\:sides}

2x+5y-2x=5-2x

\mathrm{Simplify}

5y=5-2x

\mathrm{Divide\:both\:sides\:by\:}5

\frac{5y}{5}=\frac{5}{5}-\frac{2x}{5}

\mathrm{Simplify}

\bf{y=-\frac{2}{5}x  + 1}

6 0
2 years ago
Write as a decimal: 31%
algol [13]

Answer: 0.31 is the decimal form of 31%

Step-by-step explanation:

3 0
3 years ago
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