2 years ago

Heyyyyyyy again, can you please help me?

1 answer:

5 0

The shirt costs 11 dollars (with discount) the shoes cost 22.50 the necklace with discount cost 2 dollars the sweater is 5%

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7. A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the

svp [43]

Answer: 475.59 meters .

Step-by-step explanation:

The correct equation is the following:

$y =-0 .02x^2 +9.5x + 5.6$

For this exercise you need to use the Quadratic formula:

$x = \frac{-b\±\sqrt{b^2-4ac}}{2a}$

In this case you can identify that the values of "a", "b" and "c" are:

$a=-0.02\\\\b=9.5\\\\c=5.6$

Now you must substitute these values into the Quadratic formula and then evaluate. You get:

$x=\frac{-9.5\±\sqrt{(9.5)^2-4(-0.02)(5.6)}}{2(-0.02)}\\\\x_1=475.588\\x_2=-0.588$

Choose the positive one and round it to the nearest hundreth:

$x_1\approx 475.59$

4 0

2 years ago

7 - 9x - 15 + 12x HELPPPP

Gekata [30.6K]

Simplify. Combine like terms

12x - 9x = 3x

7 - 15 = -8

3x - 8 is your answer

hope this helps

5 0

3 years ago

Read 2 more answers

Someone help me with culinary math?

iragen [17]

Answer:

Step-by-step explanation:

sugar: half - 1/6 cup , double - 2/3 cup

mirin: half - 1/8 cup , double - 1/2 cup

shoyu: half - 6 Tbsp , double 1 1/2 cup

flour: half - 5/8 pound , double 2 1/2 pounds

chicken: half - 1 1/4 pounds , double: 5 pounds

6 0

3 years ago

I just got back from winter break for my school and I already forgot everything INCLUDING the seriously easy things ;)

Natasha_Volkova [10]

Answer:

112cm

Step-by-step explanation:

4×2=8

8×2=16

4×8=32

8+16+32= 56×2= 112cm

Hope this helps!

7 0

3 years ago

Read 2 more answers

The present age of murray mother is 10 years more twice his present age.After 5years,the sum of their ages will be 59 years.How

Papessa [141]

I believe Murray is 22 end his mother 44
59-15=44
44÷2=22

3 0

3 years ago