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Galina-37 [17]
3 years ago
8

1. Which description best describes the solution to the following system of equations?

Mathematics
2 answers:
12345 [234]3 years ago
8 0

question 3

Answer: D infinity many solutions

Step-by-step explanation:

when two lines overlap each other their values are the same therefore their always correct, so the answer is infinity many solutions

Alisiya [41]3 years ago
6 0
1. The best answer is A since a solution is where 2 lines intersect. Whether or not they intersect the x or y axis is completely irrelevant (so is whether they intersect the origin).

2. y=-x+5
-x+5=1/2x+2
-x+3=1/2x
3=3/2x
2=x

y=-(2)+5
y=3

Answer: (2,3)

3. It seems like the lines are completely on top of each other (coinciding) so there are infinitely many solutions.
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Two angles of a triangle are 47 and 32 degrees. Select all angles that could represent exterior angles of a triangle.
notsponge [240]

Answer:

133, 79, 148 are ALL possible, so select 133 and 79

Step-by-step explanation:

Subtract 47 and 32 from 180 to find the third angle of the triangle (it is 101).

Then do 180-101 = 79

180-32=148

180-47=133

That tells you the exterior angle of each. Only two possible choices on your list.

3 0
2 years ago
A 27​% solution ​( 27mg per 100 mL of​ solution) is given intravenously. Suppose a total of 1,36 L of the solution is given over
a_sh-v [17]

Answer:

Step-by-step explanation:

a.

(1.36 L)/(10 hr) = (0.136 L)/(hr)

Flow rate = (0.136 L)/(hr) × (1000 mL)/L = (136 mL)/(hr)

136 mL × (27 mg)/(100 mL) = 36.72 mg

Delivery rate = (36.72 mg)/(hr)

b.

(136 mL)/(hr) × (13 gtt)/(mL) = (1868 gtt)/(hr)

c.

10 hr × (36.72 mg)/)hr) = 367.2 mg

6 0
3 years ago
Determine the SCALE FACTOR. Original image: 1.5 inches tall, 2 inches long. Scale Drawing: 3.75 inches tall, 5 inches long. (pic
Virty [35]

Answer:

scale factor is 2.5

Step-by-step explanation:

Notice that the original image is smaller than the scale drawing. Examine the ratios of the sizes:

Image/ Original :

height:  3.75 in / 1.5 in = 2.5

length:   5 in / 2 in = 2.5

The scale factor is clearly 2.5

3 0
3 years ago
HELP!!!
Oliga [24]

Answer:

i think is 26 i may be wrong tho

8 0
3 years ago
$580, 2%, 6 months<br> Simple interest
Helen [10]

Answer:

$580 2% a month for 6 months equals $649.60

Step-by-step explanation:

$580*<em>0.02</em>=$11.6

$11.6*6=$69.6

$580+$69.6=

<u><em>$649.6</em></u>

<u><em>0.02 equals 2 percent as a decimal</em></u>

6 0
4 years ago
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