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mart [117]
3 years ago
7

Plz help me out !!! I rlly need u guys to help

Mathematics
2 answers:
expeople1 [14]3 years ago
7 0

Answer1: for every 5 kids there are 9  parents

2 part a: the for every 4 cookies for every 9 sodas that are sold

2 part b:the ratio of cookies to soda is 9:4

3.the ratio of pencils to erasers is 15:7

3: for every 15 pencils there are 7 erasers.

4.The first blank is 2eyes there Are4 legs

Step-by-step explanation:

aleksklad [387]3 years ago
7 0

Answer:

hope this helps :)

Step-by-step explanation:

5 to 9

the number of cookies sold to sodas sold id 9:4

the ratio of erasers to pencils is 15:7

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Which graph shows the solution to the system of linear inequalities? y ≥ 2x + 1 y ≤ 2x – 2
Artyom0805 [142]

Answer:

Step-by-step explanation:

Given the two inequalities:

y \ge 2x + 1\\ y \le 2x - 2

To graph them, first of all, let us write their corresponding equations:

y = 2x + 1 \\y = 2x - 2

We now find at least 2 points each which satisfy the equations to plot the graph.

Equation y = 2x + 1:

Putting x = 0, y = 1

Putting y = 0, x = -\frac{1}2.

Two points are (0, 1) and (-\frac{1}2, 0).

Equation y = 2x -2:

Putting x = 0, y = -2

Putting y = 0, x = 1.

Two points are (0, -2) and (1, 0).

Now, let us plot them.

Let us take a point (1, 4) and check whether it satisfies the first inequality.

4 \ge 2 \times 1 +1\\\Rightarrow 4 \ge 3

Which is true.

So, The shaded region will be <em>towards point (1,4).</em>

<em></em>

Let us take a point (1, 4) and check whether it satisfies the second inequality.

4 \le 2 \times 1 -2\\\Rightarrow 4 \le 0\ [\bold{False}]

So, The shaded region will be <em>opposite to point (1,4).</em>

Please refer to the attached graph for the answer.

<em>No solution exists for them because there is no common shaded region</em>.

3 0
4 years ago
1. Mary is making a necklace by alternating red, yellow, and green beads. In
Feliz [49]

Answer:    20/ 60 = 1/3

Step-by-step explanation:

60 beads in total which makes that the denominator and how many red beads in the numerator (20) then just reduce the fraction

6 0
3 years ago
An actor invests some money at 7%, and $48000 and more than twotimes the amount of 9%. The total annual interest earned from the
forsale [732]

Answer:

At 7% $54,000

At 9% $156,000

Step-by-step explanation:

Let x be the amount invested at 7%, Then 2x + 48000 will be the amount invested at 9%

We know that:

7% = 0.07 & 9% = 0.09

So we can write the interest equation as follows:

0.07x + 0.09 (2x + 48000) = 17820

0.07x + 0.18x + 4320 = 17820

0.25x + 4320 = 17820

Subtracting 4320 from both sides of the equation we get:

0.25x = 17820 - 4320

0.25x = 13500

Dividing both sides of the equation by 0.25 we get:

x = 13500 / 0.25

x = $54,000 invested at 7%

&

2 x 54000 + 48000

= $156,000 invested at 9%

Hence the amount invested at 7% is $54,000.

& the amount invested at 9% is $156,000.

5 0
4 years ago
Help pls thx u! :))))))
sp2606 [1]

Step-by-step explanation:

0.8/1 = x/1.5

Cross multiplication is applied here

0.8 × 1.5 = 1 × x

1.2 = x

Therefore, x = 1.2

Hope it helps.

Stay safe and blessed.

5 0
2 years ago
Read 2 more answers
Rewrite the expression 3a^2b^3c^5 / 8x^4y^3z so that it has no denominator
Trava [24]
There are no like terms, so you cannot simplify it any farther
5 0
3 years ago
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