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umka2103 [35]
3 years ago
15

BRAINLIEST PLZ I CANT FIGURE THIS OUT MY GRADES ARE COMING IN SOON What is 2+2

Mathematics
1 answer:
Lelu [443]3 years ago
7 0
2+2=4 uhh hope that helps
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A chef has 10 spice jars, but his new spice rack only holds 8 spice jars. How many ways can he arrange 8 jars on the spice rack?
aksik [14]
He has 10 spice jars, but the spice rack only holds 8 spice jars.
Calculate in how many ways he can choose 8 spice jars from 10 spice jars using combination:
_{10} C _8=\frac{10!}{8!(10-8)!}=\frac{10!}{8! \times 2!}

Each combination of 8 spice jars that he chooses he can arrange in 8! ways.

He can choose 8 spice jars in (10!)/(8!×2!) ways and arrange each combination in 8! ways.
Using the rule of product:
8! \times \frac{10!}{8! \times 2!}=\frac{10!}{2!}=\frac{2 \times 3 \times 4 \times 5 \times 6 \times 7 \times 8 \times 9 \times 10}{2}=1814400

He can arrange 8 jars on the spice rack in c. 1,814,400 ways.
6 0
4 years ago
Read 2 more answers
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
vovikov84 [41]

Answer:

Step-by-step explanation:

b^{2*3} =b^{6}

6 0
3 years ago
What is the answerrrrrrrrrrrrrrrrrrr? p/10=11
ollegr [7]

Answer:

p/10 = 11

<=> p = 11.10

<=> p = 110

Step-by-step explanation:

3 0
3 years ago
Uhh help lol<br> 5.3x + y = 28.5 <br> 4.2x + 3.1y = 27.2<br> find x and y
navik [9.2K]

Answer:

x = 5, y = 2

Step-by-step explanation:

First, isolate y in the top equation.

y = -5.3x+28.5

Next, substitute y in the bottom equation.

4.2x + 3.1(-5.3x + 28.5) = 27.2

5.3x + y = 28.5

Simplify.

4.2x + -16.43x + 88.35 = 27.2

Combine like terms.

-12.23x + 88.35 = 27.2

Isolate x on one side.

-12.23x = -61.15

Isolate x.

x = 5

Substitute x into 5.3x + y = 28.5

5.3(5) + y = 28.5

Simplify.

26.5 + y = 28.5

Isolate y.

y = 2

x = 5 \\y = 2

6 0
3 years ago
33% of what number is 1.45
butalik [34]
We have an equation: 1.45/?= 33/100

Cross multiply:
33*? = 1.45*100
⇒ ? = 1.45*100/33= 4.394

The final answer is 4.394~
6 0
3 years ago
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