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3 years ago

PLEASE HELP I HAVE A 31 IN MATH THIS IS A REALLY IMPORTANT TEST

Mathematics

2 answers:

alukav5142 [94]3 years ago

6 0

Answer:

Question 1.

1 can of soup 5 can of water 3 can of soup 15 can of water 2 can of soup 10 can of water 2.5 cans of soup to 12.5 cans of water 4 cans of soup 20 cans of water

Question 2.

a. W=sx5

b. S=w/5

c. 25 cans of water

d. He can add 7 cans of soup

Step-by-step explanation:

charle [14.2K]3 years ago

5 0

^^

explanation..........

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In ΔEFG, g = 4.3 cm, e = 9.1 cm and ∠F=116°. Find the length of f, to the nearest 10th of a centimeter.

8_murik_8 [283]

Answer:

11.6

Step-by-step explanation:

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3 years ago

What is the value of x in the equation 2.5 x + 10 = x minus 0.5?

irinina [24]

Answer:

x=7

Step-by-step explanation:

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3 years ago

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Determine the unit rate. Use mental math when you can. 6 golf balls for $15

Lena [83]

Answer:

1 golf ball : $2.50

Step-by-step explanation:

You can first divide 6 and 15 by 3, and get 2 and 5.
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Therefore, the unit rate is 1 golf ball : $2.50

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2 years ago

$1,200, 3.9%, 8months

LUCKY_DIMON [66]

The answer is 1-28/2992/8 ow

3 0

3 years ago

5x²+4x+3=0 solve for x

juin [17]

Answer:

${ \underline{ \sf{x \: is \: \: \{ \frac{ - 5 + i \sqrt{35} }{10} \} } \: \: and \: \: \{ \frac{ - 5 - i \sqrt{35} }{10} \}} }$

Step-by-step explanation:

$5 {x}^{2} + 4x + 3 = 0$

from quadratic formular:

${ \sf{x = \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a} }}$

general equation:

${ax}^{2} + bx + c = 0$

a is 5, b is 4 and c is 3:

substitute in formular:

${ \sf{x = \frac{ - 5± \sqrt{ {5}^{2} - (4 \times 5 \times 3) } }{(2 \times 5)} }} \\ \\ { \sf{x = \frac{ - 5± \sqrt{ - 35} }{10} }}$

but from complexes, i² = -1

${ \sf{x = \frac{ - 5± \sqrt{35 {i}^{2} } }{10} }} \\ \\ = { \sf{x = \frac{ - 5±i \sqrt{35} }{10} }}$

6 0

3 years ago