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3 years ago

90 • 4 – 14 ÷ 2 + 102 ÷ 5 • 2

Mathematics

2 answers:

sveta [45]3 years ago

8 0

90*4-14/2+102/5*2

360-7+40,8

393,8

liraira [26]3 years ago

3 0

You would have to do
P-Parenthesis
E- exponents
M- multiplication
D- division
A- addition
S-subtraction

Follow those steps and you'll get it

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Required information NOTE: This is a multi-part . Once an answer is submitted, you will be unable to return to this part A club

algol13

Answer:

491400

Step-by-step explanation:

Given : A club has 28 members.

To Find : . How many ways are there to choose four members of the club to serve on an executive committee?

Solution:

We are supposed to choose four members of the club out of 28.

So, we will use combination

Formula : $^nC_r=\frac{n!}{r!(n-r)!}$

n = 28

r = 4

Substitute the values :

$^{28}C_{4}=\frac{28!}{4!(28-4)!}$

$^{28}C_{4}=\frac{28 \times 27 \times 26 \times 25 \times 24!}{4!(24)!}$

$^{28}C_{4}=\frac{28 \times 27 \times 26 \times 25 \times 24}{4 \times 3 \times 2 \times 1}$

$^{28}C_{4}=491400$

Hence there are 491400 ways o choose four members of the club to serve on an executive committee

8 0

3 years ago

Dont know how to calculate it

TEA [102]

Answer:

AB = 105

Step-by-step explanation:

Since ∠ A and ∠ B are equal then Δ ABC is isosceles with 2 congruent legs.

AC = BC , substitute values

6x - 7 = 5x + 7 ( subtract 5x from both sides )

x - 7 = 7 ( add 7 to both sides )

x = 14

Then

AB = 7x + 7 = 7(14) + 7 = 98 + 7 = 105

6 0

2 years ago

Guys hi am i correct ??

Sloan [31]

Yes, you are correct.

Hope my answer helped u :)

4 0

2 years ago

Convert each proper fraction into a mixed number or whole number

Dennis_Churaev [7]

You need to convert it into a whole number

7 0

3 years ago

carmen bought 15 case of juice for a party. she bought 3 cases of bottled water for every 5 case of juice she bought for the par

Crazy boy [7]

Nine I believe, because fifth teen divided by five equals three
three times three equals nine.

3 0

3 years ago