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3 years ago

CAN SOMEONE HELP ME ON 1-9 NOW PLEASE I WILL MARK YOU BRAINLY.

Mathematics

1 answer:

bazaltina [42]3 years ago

3 0

Answer:

1. 0.75 cups or 3/4 cups

2. 0.75 cups or 3/4 cups

3. 10 quarts in 2 1/2 gallons

4. 3 3/4 or 3.75

5. 3/4 gallon

6. 2.5 sticks or 2 1/2 sticks

7. 1 3/5 pounds

8. 12 teaspoons

9. 12.5 or 25/2 I think

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3. In a certain school, there are 456 girls. Calculate the total number of students

marin [14]

Answer:

3) girls = 24% = 456

let the total number of students be = x

$\frac{24}{100} \times x = 456$

$x = 456 \times \frac{100}{4}$

$x = 1900$

the total number of students is 1900

4) increase = 20%

new salary = 24000 rupees

let his original salary be = y

$\frac{20}{100} \times y = 24000 - y$

$0.2y = 24000 - y$

$0.2y + y = 24000$

$1.2y = 24000$

$y = \frac{24000}{1.2}$

$y = 20000$

his original salary is 20,000 rupees

7 0

3 years ago

Assume you are planning a picnic for lunch, but when you woke up there were rain clouds in the sky. If 50% of rainy days start w

Tasya [4]

Answer:

0.25 = 25% probability that it will rain today and ruin your picnic

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Cloudy skies

Event B: Rain

20% of all days start with clouds in the air

This means that $P(A) = 0.2$

50% of rainy days start with rain clouds in the air

50% of 10%. So

$P(A \cap B) = 0.5*0.1 = 0.05$

What is the probability that it will rain today and ruin your picnic

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.05}{0.2} = 0.25$

0.25 = 25% probability that it will rain today and ruin your picnic

3 0

3 years ago

Escriba un polinomio de grado 6 que contenga 4 términos, que su coeficiente principal sea un número par y el término independien

Anit [1.1K]

Camden Dunlap Handel butterball Hanoi’s comet bring 12456 answer Spanish

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4 years ago

HOW MANY TRIANGLES ARE THERE? INCLDNG OVERLAPPING TRIANGLES. I NEED ANSWERS. PLEASE HELP. TYIA

miss Akunina [59]

Answer:

The answer is 48.

Step-by-step explanation:

There are 4 triangles in each square. So multiply 4 by 12 because thats how many squares there are.

5 0

4 years ago

Someone help. Urgent! I need someone to answer this! Factor -5b – 5c!

tatyana61 [14]

Answer:

the answer you are looking for is-10

Step-by-step explanation:

6 0

2 years ago