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2 years ago

Solve the system of equations

Mathematics

2 answers:

vladimir1956 [14]2 years ago

6 0

Answer= A

This is because you have to turn one of the equations to a negative.

nikitadnepr [17]2 years ago

5 0

The solution is A

x=2 y=-1

the solution is where the two lines intersect

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Can someone help me with number 10, 11, 12, 15, and 16 I don’t understand them thanks

yanalaym [24]

10)

$10^2-48:6+25*3=100-8+75=167$

11)

$8(\frac{16}{4} )+2^2-11*3=32+4-33=3$

12)

$(\frac{6}{3} +4)^2:4*7=(2+4)^2:4*7=6^2:4*7=36:4*7=9*7=63$

13) (your answer is incorrect)

$5(9-4)^2-3^2=5*5^2-3^2=5*25-9=125-9=116$

14) (your answer is incorrect)

$5^2-2^2*4^2-12=25-4*16-12=25-64-12=-51$

15)

$(\frac{50}{5^2} )^2:4=(\frac{50}{25} )^2:4=2^2:4=4:4=1$

16)

$\frac{24+32+30+28}{2}$ -expression to represent this situation

$\frac{24+32+30+28}{2}=\frac{114}{2}=57$

Answer: In 1 group 57 students

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P.S. Hello from Russia :^)

4 0

2 years ago

Can you help me get the answer I’m just not sure if I’m right

zhenek [66]

Answer:

430 $in^{2}$

Step-by-step explanation:

To find the area, use the area for a parallelogram formula:

A = bh, where A is the area, b is the length of the base, and c is the height of the parallelogram.

Next, substitute the values of the base and height:

A = 20in. * 21.5 in.

Finally, simplify the multiplication:

A = 430 $in^{2}$

7 0

2 years ago

Terri wants to put a fence around her tomato plants to keep the rabbits out. The hardware store only sells fencing in five-foot

Mice21 [21]

Answer: 30 increments

Step-by-step explanation: 150 divided by 5 is equal to 30. If she is buying in 5 foot increments she will need 30 five foot increments to have enough.

8 0

2 years ago

Ivana and Gloria are sisters. Gloria is

Marina CMI [18]

Answer:

11 years old

Step-by-step explanation:

3 years ago, Gloria was 32 years old

If Ivana's age is = x

Then, 4x = 32

x = 8

3 years ago, Ivana was 8 years old

So now she is 11 years old.

4 0

3 years ago

A pair of jeans at a store in Seattle costs $220. Since the jeans are from last season, they are 15% off. Because of a Thanksgiv

Lostsunrise [7]

The total percent discount on the jeans is 35% amounting to $77

<h3>Discount</h3>

Cost of a pair of jean = $220

Discount from last season = 15%
Discount from Thanksgiving day = 20%

Total percentage discount = 15% + 20%

= 35%

Amount of discount = Total percentage discount × Cost of a pair of jean

= 35% × $220

= 0.35 × 220

= $77

Therefore, the total percent discount on the jeans is 35% amounting to $77

Learn more about discount:

brainly.com/question/7459025

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6 0

1 year ago

Solve the system of equations￼

Solve the system of equations