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3 years ago

Lionel is planning a one-day outing.

Mathematics

1 answer:

VashaNatasha [74]3 years ago

8 0

Y is the same sorry if i’m incorrect

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If , (4x + 3y) : (3x + 4y) = 24 : 25 , find the value of x : y .

Karo-lina-s [1.5K]

We have ( 4x + 3y ) : ( 3x + 4y ) = 24 : 25

$\\ \sf\longmapsto \: \frac{4x + 3y}{3x + 4y} = \frac{24}{25}$

$\\ \sf\longmapsto \: 25(4x + 3y) = 24(3x + 4y)$

$\\ \sf\longmapsto \: 100x + 75y = 72x + 96y$

$\\ \sf\longmapsto \: 100x - 72x = 96y - 75y$

$\\ \sf\longmapsto \: 28x = 21y$

$\\ \sf\longmapsto \: \frac{x}{y} = \frac{21}{28} = \frac{3}{4}$

Hence ,

x : y = 3 : 4

8 0

2 years ago

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Ms. Thomas buys 3 pounds of sliced ham to make sandwiches. It takes 1 3 lb of ham for each sandwich. How many ham sandwiches can

cupoosta [38]

Answer:

Option C $9\ sandwiches$

Step-by-step explanation:

we know that

using proportion

$\frac{1}{(1/3)}\frac{sandwich}{pounds}=\frac{x}{3}\frac{sandwiches}{pounds}\\ \\x=3*3\\ \\x=9\ sandwiches$

8 0

3 years ago

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3. -6, -10, -14, -18,... 6. 1, 5, 9, 13,... B. After familiarizing yourself on finding the nth term of an arithmetic sequence, l

Rom4ik [11]

Answer:

1. the 15th term is 30

2. the 25th term is 86

3. the 18th term is 128

4. the 20th term is 220

5. the 12th term is -33

Step-by-step explanation:

4 0

3 years ago

in a recent year, the weather was partly cloudy 2/5 of the days. Assuming there are 365 days ina year, how many days were partly

Karolina [17]

Here's two ways

1. (365*2)/5 =

730/5 =

146 days

2. 365/5=

73*2

146 days

3 0

3 years ago

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Can someone help me please

Neko [114]

Answer:

Step-by-step explanation:

(h, k) = (4, 8)

(y - k) = a(x - h)²

(y - 8) = a(x - 4)²

y = a(x - 4)² + 8

plug in one of the x intercepts (or any other known point on the curve)

0 = a(2 - 4)² + 8

0 = a(4) + 8

a = -2

y = -2(x - 4)² + 8 fourth option.

6 0

3 years ago

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