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2 years ago

Please answer 5 questions its urgent!

Mathematics

1 answer:

SVETLANKA909090 [29]2 years ago

3 0

Answer:

1. 5/2 2. 8 3. 4 4.no 5. yes

Step-by-step explanation:

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Y=1−2x;x=9 can you please help

Anit [1.1K]

Answer:

Step-by-step explanation:

since you are given that x is 9 all you have to do is plug it in. So 1-2(9) 2 times 9 is 18 so 1-18=17

7 0

3 years ago

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Ratio of dolls to teddy bears is 6:5. If the has 240 dolls how many teddy bears are there?

scZoUnD [109]

Answer:
There will be 200 teddy bears.

Explanation:
Please check the picture attached!

I hope this helps!

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3 years ago

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PLS HELP ME I ADDED SCREENSHOT i made sure to add it this time

iVinArrow [24]

Answer:

-(400/9)

Step-by-step explanation:

-44(4/9)

answer A

4 0

3 years ago

show that the points (1 ,7) ,(4, 2), (-1, -1) and (-4, 4) taken in order are the vertics of a square. Also find its area

OLga [1]

Answer:

Step-by-step explanation:

A (1 ,7) , B(4, 2), C(-1, -1) and D(-4, 4)

Find the distance of sides using distance formula.

Distance = $\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}$

A (1 ,7) , B(4, 2)

$AB = \sqrt{(4-1)^{2}+(2-7)^{2}}\\\\ =\sqrt{3^{2}+(-5)^{2}}\\\\ \\ = \sqrt{9+25}=\sqrt{34} units\\\\\\\\BC = \sqrt{(-1-4)^{2}+(-1-2)^{2}}\\\\ =\sqrt{(-5)^{2}+(-3)^{2}} = \sqrt{25+9}=\sqrt{34} units\\\\\\CD = \sqrt{(-4-[-1])^{2}+(4-[-1])^{2}}\\\\=\sqrt{(-4+1)^{2}+(4+1)^{2}}\\\\=\sqrt{(-3)^{2}+(5)^{2}}\\\\=\sqrt{9+25} = \sqrt{34} units\\\\\\AD = \sqrt{(-4-1)^{2}+(4-7)^{2}}\\\\=\sqrt{(-5)^{2}+(-3)^{2}} =\sqrt{25+9} = \sqrt{34} units$

AB = BC = CD = AD = √34 units. so , ABCD is a square.

Area of square = side * side

= √34 * √34

= 34 square units

7 0

3 years ago

Factor 5w + 20 please and show your work. I need help

mars1129 [50]

The factored version of the above statement would be 5(x + 4)

In order to find this, you need to find the greatest common factor of the two coefficients. First, list the factors of each.

Factors of 5: 1, 5

Factors of 20: 1, 2, 4, 5, 10, 20

Since the highest that exists in both lists is 5, we can divide both terms by 5 and pull it out of the parenthesis like this:

5(w + 4)

Which is your final answer

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3 years ago

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