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2 years ago

EASY 7TH GRADE MATH, WILL GET BRAINLIEST

Mathematics

2 answers:

alisha [4.7K]2 years ago

6 0

Answer:

The answer is B.

Step-by-step explanation:

Obvious answer cause A is too low to be $9.00. C and D are to high for it to be $9.00 so its B. Hope this helps.

guapka [62]2 years ago

4 0

Answer:

B. $3.60

Step-by-step explanation:

As 2.5 pounds of chicken costs $9.00, we take $9.00 and divide this number by 2.5 to equal the cost of 1 pound of chicken. This is equal to $9.00/2.5 or $3.60

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What is the solution to the equation 9k = 40.5? k= 4 k= 4.5 k= 5

Scilla [17]

Answer:

k=4.5

Step-by-step explanation:

40.5/9

3 0

3 years ago

Read 2 more answers

4.) Order the following decimals from greatest to least. 15.9 9.5 1.95 9.15 1.59

olya-2409 [2.1K]

1.59, 1.95, 9.15, 9.5, 15.9

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3 years ago

Pls help me with this

alexgriva [62]

Answer:

x = 1.5

Step-by-step explanation:

Given

$\frac{x}{2} \geq 0.75$

$\frac{x}{2} < 2.5$

Required

Find the value of x.

First, the inequalities need to be rewritten and merged;

if $\frac{x}{2} \geq 0.75$ , then

$0.75 \leq \frac{x}{2}$

Multiply both sides by 2

$2 * 0.75 \leq \frac{x}{2} * 2$

$1.5 \leq x$

Similarly;

$\frac{x}{2} < 2.5$

Multiply both sides by 2

$2 * \frac{x}{2} < 2.5 * 2$

$x < 5$

Merging these results together; to give

$1.5 \leq x < 5$

This means that the range of values of x is from 1.5 to 4.9999....

From the question, x is the smallest rational number; from the range above ( $1.5 \leq x < 5$ ), the minimum value of x is 1.5 and 1.5 is a rational number;

Hence, x = 1.5

4 0

2 years ago

An electric motor uses 6kw at an efficiency of 63%. How much power does it deliver?

r-ruslan [8.4K]