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mote1985 [20]
3 years ago
14

Solve the system of linear equations by adding or subtracting. Show all work!

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
4 0

Answer:

x = -2, y = -2

Step-by-step explanation:

Your goal is to try and cancel out a variable. I want to get rid of y so i subtracted the first equation from the second one.

After that I solve for x and got x=-2.

I used x=-2 and plugged it back into either of the equation to solve for y.

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A blueprint is drawn using a scale of 2 mm over 25 ft. What length is represented by 1 mm?
Ivanshal [37]
2mm : 25'
half of the above
1mm : 25'/2 = 12.5'
3 0
3 years ago
Question 3 (1 point) If the following is a rhombus, find the missing measures. Find PQ. PQ=​
Svetllana [295]

Answer:

Step-by-step explanation:

PQ*PQ=PQ²=(5x+16)²=25x²+160x+256

8 0
3 years ago
10.6 written as a decimal and a fraction or a mixed number in simplest form
lakkis [162]
10.6 \times \frac{10}{10} = \frac{106}{100} = \frac{53 \times 2}{50\times 2} \\\\ = \frac{53}{50} = \boxed{\bf{1 \frac{3}{50}}}

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6 0
3 years ago
Please somebody help me with this please help ASAP​
TiliK225 [7]

Step-by-step explanation:

I don't know what your teacher wants to hear here.

can you use and construct certain angles (particularly 90 degrees), can you use compasses ?

for me the best way would be to draw one side as given. then use compasses and draw a half-circle from each end point of the line above the line. both circles have the radius = the given diameter.

then draw the next 2 sides of the square up from the end points of the first line towards the half-circle that was drawn from the other point, so that the end point is exactly on the circle bow. and then connect the engaging endpoints of these 2 sides.

similar for the rectangle.

the only difference is that now for the two sides (which we don't know the length) we need to go up exactly 90 degrees until the lines hit the half-circles.

4 0
3 years ago
A farmer sells 9.9 kilograms of pears and apples at the farmer's market. of this weight is
ivanzaharov [21]

The given question is incomplete. The complete question is:

A farmer sells 9.9 kg of pears and apples at the farmers market. 3/4 of this weight is pears,and the rest is apples.how many kilograms of apples did she sell at the farmers market.

Answer: The farmer sells 2.475 kg of apples.

Step-by-step explanation:

Given : Total weight of pears and apples = 9.9 Kg

\frac{3}{4} of the total weight is pears

Hence, weight of pears = \frac{3}{4}\times 9.9=7.425 Kg

Therefore weight of apples = Total weight - weight of pears = (9.9 -7.425) = 2.475 Kg  

5 0
3 years ago
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