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3 years ago

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Yuri had 50 ballons, She gave 25 to Kelly and got 5 more from Jenny. he then gave Lucas 10. 5 more ballons flew away, how much d

ose Yuri have in total now?

2 answers:

andriy [413]3 years ago

7 0

Answer:

15

Step-by-step explanation:

notka56 [123]3 years ago

4 0

Yuri has 15 balloons

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You know that multiplication can also be expressed as repeated addition. Why is it more difficult to use repeated addition when

VARVARA [1.3K]

Answer:Let's start with the underlying fact. Multiplication simply is not repeated addition, and telling young pupils it is inevitably leads to problems when they subsequently learn that it is not. Multiplication of natural numbers certainly gives the same result as repeated addition, but that does not make it the same.

Step-by-step explanation:

7 0

3 years ago

velikii [3]

Step-by-step explanation:

1a. 75,986

1b. Seventy five thousand nine hundred eighty six.

1c. 75,986=this one

$7 \times10000 + 5 \times 1000 + 9 \times 100 + 8 \times 10 + 6 \times 1$

1d. 70,000

1e 80

<em>I</em><em> </em><em>did</em><em> </em><em>not</em><em> </em><em>understand</em><em> </em><em>the</em><em> </em><em>rest</em><em>.</em><em> </em><em>Hope</em><em> </em><em>it's</em><em> </em><em>useful</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em> </em>

8 0

3 years ago

Read 2 more answers

1) Gena’s new outfit originally cost $75. She received 20% off. How much did Gena’s outfit cost?

Paha777 [63]

Answer:

1. $60

2. 600 Calories were burned

3. D

Step-by-step explanation:

1. $75 x .20=$15

75-15=$60

2. What I started with is 200/40=5 calories burned per min

60 plus 60=120

5x120=600

3. It's the only option that has something decreasing. and there is a -5 which means it's getting subtracted or its decreasing.

6 0

3 years ago

Read 2 more answers

5 women and 7 men are eligible to serve on a committee. If a committee of 4 is randomly selected, what is the probability that i

rosijanka [135]

Answer:

The required probability is $\frac{14}{33}$ .

Step-by-step explanation:

Probability:

The ratio of the favorable outcomes to the all possible outcomes.

Given that, 5 women and 7 men are eligible to serve on a committee.

A committee of 4 is randomly selected.

Choosing 2 women out of 5 women is

$=^5C_2$

$=\frac{5!}{2!(5-2)!}$

$=\frac{5!}{2!3!}$

=10

Choosing 2 men out of 7 men is

$=^7C_2$

$=\frac{7!}{2!(7-2)!}$

$=\frac{7!}{2!5!}$

=21

Total number of eligible person is = (5+7)=12

Choosing 4 member out of 12 member is

= $^{12}C_4$

$=\frac{12!}{4!(12-4)!}$

=495

The required probability is

$=\frac{10\times 21}{495}$

$=\frac{14}{33}$

7 0

3 years ago

What is the relationship between angle BAC and angle BOC?

Basile [38]

In this problem, an angle like angle BAC where the vertices like on the circle itself is called the inscribed angle.

While angle BOC, where O is the center of the circle, is called the central angle.

Using Proposition III.20 from Euclid's Elements, this is called the Inscribed Angle Theorem wherein:

∠BOC = 2∠BAC

or ∠BOC / 2 = ∠<span>BAC</span>

3 0

3 years ago