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xxMikexx [17]
1 year ago
11

Cho tam giác DEF cân tại D có đường trung tuyến DI

Mathematics
1 answer:
Leviafan [203]1 year ago
4 0
Can u translate yo English pls
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X^2+3x+2=0 solve by factoring
goldfiish [28.3K]

Answer: x=-1,-2

Step-by-step explanation:

X^2+3x+2=0

(x+1)(x+2)=0

x=-1,-2

4 0
3 years ago
The two-way relative frequency table shows the relative frequencies of girls and boys who chose peanut butter or ham sandwiches.
Kisachek [45]

Answer:

80/

Step-by-step explanation:

6 0
3 years ago
Find f(-11/5) if f(n) = 5n + 6
V125BC [204]

Answer:

f(-11/5) = -5

Step-by-step explanation:

f(n) = 5n + 6

Let x = -11/5

f(-11/5) = 5*-11/5 +6

          = -11 +6

           = -5

5 0
3 years ago
PLEASE HELP ME I'M STUCK. !! Subtract the polynomials: please please show work!
nikdorinn [45]

Answer: xsquared + 9x - 11

Step-by-step explanation:

7 0
3 years ago
In order to make a specific shade of green paint, a painter mixes 1 1/2 quarts of blue paint, 2 cups of green paint, and 1/2 gal
ella [17]

Answer:

Step-by-step explanation:

In order to make a specific shade of green paint, a painter mixes 1 1/2 quarts of blue paint. Converting 1.5 quarts to cup,

1 quart = 4 cups

1.5 quarts = 1.5 × 4 = 6 cups

She also used 1/2 gallon of white paint. Converting 0.5 gallons to cup,

0.0625 gallons = 1 cup

0.5 gallons = 0.5/0.0625 = 8 cups

This means that the ratio of cups of blue paint to green paint to white paint is 6: 2 :8

Total ratio = 6 +2 + 8 = 16

To make 100 cups of this shade of green,

Cups of blue paint needed = 6/16 × 100 = 37.5 cups

Cups of green paint needed = 2/16 × 100 = 12.5 cups

Cups of white paint needed = 8/16 × 100 = 50 cups

7 0
3 years ago
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