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3 years ago

The length of a rectangle is 3 meters greater than 2 times the width, The perimeter of rectangle is 30 meters

Mathematics

1 answer:

fiasKO [112]3 years ago

7 0

Answer: 1= A/w

Step-by-step explanation:

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Weights of different sandwiches in two lengths are shown in the table.

Alexandra [31]

Answer:

Egg salad sandwich is proportional to its length

Step-by-step explanation:

Weight of Sandwiches by Length of Roll

6-inch Roll 12-Inch Roll

Cheese sandwich $\frac{1}{4}$ $\frac{3}{4}$

Chicken salad sandwich $\frac{3}{4}$ $1\frac{3}{4}$

Egg salad sandwich $\frac{2}{3}$ $1\frac{1}{3}$

For cheese sandwich proportion

$\frac{6}{\frac{1}{4}}=\frac{12}{\frac{3}{4}}\\24 \neq 16$

So, Cheese sandwich weight is not proportional to its length

For Chicken salad sandwich proportion

$\frac{6}{\frac{3}{4}}=\frac{12}{\frac{7}{4}}\\8 \neq \frac{48}{7}$

So, chicken salad sandwich is not proportional to its length

For Egg salad sandwich proportion

$\frac{6}{\frac{2}{3}}=\frac{12}{\frac{4}{3}}\\9=9$

So, egg salad sandwich is proportional to its length

6 0

3 years ago

Simplify the given expression. (4x2squared-15x-21)+3x2squared-10)

Bess [88]

Answer:

$7x^{2} - 15x -31$

Step-by-step explanation:

$(4x^{2} - 15x -21) + 3x^{2} - 10 = 4x^{2} + 3x^{2} - 15x -21 - 10 = 7x^{2} - 15x -31$

4 0

3 years ago

Will 4 5/10 x 6/17 be larger, smaller, the same or impossible to tell than 4 5/10?

Delicious77 [7]

4¹/₂ × ⁶/₁₇
⁹/₂ × ⁶/₁₇
²⁷/₁₇
1¹⁰/₁₇

The product of 4¹/₂ and ⁶/₁₇ will be smaller than 4¹/₂.

3 0

3 years ago

PLEASE HELP ASAP I NEED THIS DONE ASAP!!!

zubka84 [21]

Answer:

The value of x is 12.

Step-by-step explanation:

Given that perimeter is found when all sides are added together. So we can assume that all side lengths add together will give you 134 imches :

$x + 2x + 5 + 6x - 17 + 3x + 2 = 134$

$12x - 10 = 134$

$12x = 134 + 10$

$12x = 144$

$x = 144 \div 12$

$x = 12$

6 0

3 years ago

Read 2 more answers

Whats 1+1 please I really need to ask this for 0 reason other than boredom

natta225 [31]

Answer:2

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers