3 years ago

When f(x) = -3, what is x?

1 answer:

4 0

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!

Hope this helps

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2/10 clear and 18/100 orange. The rest are red and blue. There are 2 more red marbles than blue marbles. What fraction represent

romanna [79]

Answer:

33/100 red, 29/100 blue

Step-by-step explanation:

2/10=20/100

20+18=38

38/100 orange/clear marbles

100-38=62

62 red/blue marbles

62/2=31

31 blue, 31 red

"There are 2 more red marbles than blue marbles."

31-2=29

31+2=33

33/100 red, 29/100 blue.

4 0

3 years ago

I need help please!!

Sergio039 [100]

Answer:

16 cm2

Step-by-step explanation:

By equa tion of area of triangle: S = 1/2 * height * base

Triangle B: 32 = 1/2 * 8 * x --> x = 8 (cm)

The base of triangle A is half of the base of triangle B so it is 4 cm.

The area of triangle A = 1/2 * 8 * 4 = 16 (cm2)

5 0

2 years ago

Find the value of RT

Elis [28]

Answer:

$RT=7$

Step-by-step explanation:

$RQ*RP=RS*RT$

$9*(9+13)=11(11+x)$

$9*\frac{22^2}{11} =\frac{11}{11} =(11+x)$

$18=11+x$ ⇒ $7$

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┍━━━━ ⋆⋅☆⋅⋆ ━━━━┑

<em> hope it helps..</em>

<em> have a great day!!</em>

┕━━━━ ⋆⋅☆⋅⋆ ━━━━┙

3 0

2 years ago

a clock tower is 26 feet tall and a shadow 24 feet long while a large truck next to the tower cast a shadow 12 feet long how tal

mixas84 [53]

The truck in this example is 14 feet tall if it's shadow is 12 feet long.

5 0

3 years ago

Daniel has 3/4 of a glass of water. He wants to share the water equally with his brother. How much water will each brother get?

andrew11 [14]

Answer:

0.375

Step-by-step explanation:

You have to just divide 3/4 divided by 2 = 0.375

7 0

3 years ago