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Paladinen [302]
3 years ago
7

Need pleas ok need today

Mathematics
2 answers:
Vsevolod [243]3 years ago
5 0

Answer:

90

Step-by-step explanation:

You need to simply add all the given numbers together and enter the missing number that'll make the total 0. So:

-75 + (-25) = -100

-100 + 10 = -90

-90 + <u>90</u> = 0

Thus, adding a 90 in the empty box will make it 0.

garik1379 [7]3 years ago
5 0

Answer:

90

Step-by-step explanation:

This is the answer because:

1) -75 + (-25) = -100

2) -100 + 10 = -90

3) -90 + 90 = 0

Therefore, the answer is 90 because whenever a negative number is added with the same poitive number, it beomes a 0.

Hope this helps! :D

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How to find the real number solution of the equation x3+27x=9x2+27?
Alina [70]
Well think the answer is x = 14/9 but I don't think there is a full number for this equation.
3 0
3 years ago
Is the quotient of 3.6 divided by 9 greater or less than 1?
Kisachek [45]

Answer:

<h2>"less than 1".</h2>

Step-by-step explanation:

The given quotient is

\frac{3.6}{9}

In this case, before solving the quotient, we can ensure that its result is less than 1, because the numerator is less than the denominator, this is called a "proper fraction", and those fraction always ends in a number less than 1.

\frac{3.6}{9}=0.4

Therefore, the answer is "less than 1".

6 0
3 years ago
Read 2 more answers
Here are two drawings of the same shape on isometric paper. One face of the shape is shaded. The shape is made from centimetre c
vlabodo [156]

Answer:

There are 7 cube so 7 centimetre cube :)

7 0
3 years ago
Rewrite the expression 2(x + 5) using the Distributive Property.​
ehidna [41]

Answer:

2x + 10

Step-by-step explanation:

To expand (using the distributive property) <u>multiply</u> the number outside the bracket i.e. in this case '2', with the <u>values inside the brackets</u>.

So multiply '2' and 'x' and '2' and 5' and add or subtract on basis of whether the second value is positive or negative.

So

2(x + 5)

= (2*x)+(2*5)

=2x+10

<em>extention note:</em> <u>be careful</u> when the symbol within the equation within the brackets is a subtraction because it implies that the second value would instead be a negative number and should be treated as such.

an example

2(x-5)

= (2*x)+(2*-5)

=2x -10

Anyhow, I hope this helped!

5 0
3 years ago
Which of the following are solutions to 2x2 – 8x - 90? Select all that apply.
Bond [772]

Answer:

x=-5, x=9

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}

in this problem we have

2x^{2} -8x-90  

equate to zero

2x^{2} -8x-90=0  

so

2=-1\\b=-8\\c=-90

substitute in the formula

x=\frac{-(-8)\pm\sqrt{-8^{2}-4(2)(-90)}} {2(2)}

x=\frac{8\pm\sqrt{784}} {4}

x=\frac{8\pm28} {4}

x=\frac{8+28} {4}=9

x=\frac{8-28} {4}=-5

therefore

The solutions are x=-5, x=9

6 0
3 years ago
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