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Ne4ueva [31]
3 years ago
10

Help me plz good points

Mathematics
1 answer:
Valentin [98]3 years ago
7 0

you find the LCM of 3, 4 and 7 which is 84.

84/3= 28 so x= 28

84/4= 21 so y=21

84/7= 12 so z=12

therefore, 28+21+12= 61. Your answer is D

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Florencia cannot spend more than $60 on clothes. She wants to buy jeans for $22 and spend the rest on shirts. Each shirt costs $
Amiraneli [1.4K]

Answer:

(8s + 22) ≤ 60

Step-by-step explanation:

Let the number of shirts Florencia bought = s

Cost of one shirt = $8

Therefore, total cost of the 's' shirts= $8s

She bought a jeans for $22 and rest amount she spent on shirts.

Total expenditure = $(8s + 22)

Since, she can not exceed her expenditure beyond $60.

So the inequality will be,

(8s + 22) ≤ 60

7 0
3 years ago
What is 2 pounds divided by 2/3?
vivado [14]

Answer:

3 pounds

Step-by-step explanation:

8 0
2 years ago
Expand the polynomial:<br> (5a+1/5 b)^2
WINSTONCH [101]
Expand the following:
(5 a + b/5)^2

(5 a + b/5) (5 a + b/5) = (5 a) (5 a) + (5 a) (b/5) + (b/5) (5 a) + (b/5) (b/5):
5×5 a a + (5 a b)/5 + (5 b a)/5 + (b b)/(5×5)

(5 a b)/5 = 5/5×a b = a b:
5×5 a a + a b + (5 b a)/5 + (b b)/(5×5)

(b×5 a)/5 = 5/5×b a = b a:
5×5 a a + a b + b a + (b b)/(5×5)

Combine powers. (b b)/(5×5) = (b^(1 + 1))/(5×5):
5×5 a a + a b + b a + (b^(1 + 1))/(5×5)

1 + 1 = 2:
5×5 a a + a b + b a + (b^2/5)/5

5 a×5 a = 5×5 a^2:
5×5 a^2 + a b + b a + (b^2/5)/5

5×5 = 25:
Answer:  25 a^2 + a b + b a + (b^2/5)/5
3 0
3 years ago
Read 2 more answers
How do you figure this out?
pantera1 [17]

3 ^{ - 2}  =  \frac{1}{3 {}^{2} }  =  \frac{1}{9}
6 0
3 years ago
Read 2 more answers
Plz answer ASAP with work ty!
horsena [70]

Answer: 8\sqrt{6}

Step-by-step explanation:

\frac{2^4\sqrt{3}}{\sqrt{2}}

2^{\frac{7}{2}}\sqrt{3}

2^{\frac{7}{2}}=2^{3+\frac{1}{2}}

2^3\cdot \:2^{\frac{1}{2}}=

2^3\sqrt{2}

= 2^3\sqrt{2}\sqrt{3}=

2^3\sqrt{2\cdot \:3}

=2^3\sqrt{6}

2^3=8

Answer- 8\sqrt{6}

7 0
3 years ago
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