3 years ago

Mary is having her living room

Mathematics

1 answer:

Mashutka [201]3 years ago

5 0

I have a living room:)

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If you toss 9 fair coins, in how many ways can you obtain at least one tail?

maks197457 [2]

9/18 or 50% if you toss the coin because when you toss 1 coin you get a 1/2 chance of getting tails. Do that nine times and you get 9/18

3 0

3 years ago

Last winter, the ratio of days with snow to day with no snow was 1.18. Write this ratio as a faction in simplest form

Alekssandra [29.7K]

to change any decimal to a fraction, we simply use as many zeros on the denominator as there are decimals and lose the dot.

1.18 has two decimals, so we'll use two zeros at the bottom, and lose the dot.

$\bf 1.\underline{18}\implies \cfrac{118}{1\underline{00}}\implies \stackrel{simplified}{\cfrac{59}{50}}$

6 0

3 years ago

When the following expression is written in simplest form, what is the coefficient of the variable term? -2.5y + 8y - 10.5y

LUCKY_DIMON [66]

Answer:

Option 1 is correct.

-5

Step-by-step explanation:

Given:

The given expression is.

$=-2.5y+8y-10.5y$

Write the given expression in simplest form.

$=-2.5y+8y-10.5y$

Add negative term of y.

$=-13y+8y$

$=-5y$

The simplest form of given expression is $=-5y$

Therefore, the coefficient of the variable term is -5

7 0

3 years ago

Given h(x) = x2 – 5x + 7, find the following. a. h(2) b.h(-5) c. h(-8)

azamat

Answer:

Step-by-step explanation:

hello :

h(x) = x² – 5x + 7

h(-2) = (-2)² – 5(-2) + 7 =4+10+7 =21

h(-5) = (-5)² – 5(-5) + 7= 25+25+7 =57

h(-8) = (-8)² – 5(-8) + 7 = 64+40+7=111

5 0

2 years ago

Need help thank you.

madam [21]

Answer:

x = 20

Step-by-step explanation:

The three angles make up a straight line.

A straight line has 180 degrees.

x + 3x + 100 = x80 Combine

4x + 100 = 180 Subtract 100 from both sides

4x = 180 - 100

4x = 80 Divide by 4

x = 80/4

x = 20

8 0

2 years ago