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Yuliya22 [10]
3 years ago
9

What two numbers multiply to get -30 and add to get -7 ?

Mathematics
1 answer:
aliina [53]3 years ago
4 0

Answer:

3 and -10 to get 30

4 and -11 to get -7

Step-by-step explanation:

3 * -10 = -30

4 + (-11) = 4 - 11 = -7

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The attributes of each quadrilateral
Advocard [28]
Quadrilateral refers to a shape that has four sides. quad means four; lateral means side.

A quadrilateral has the following characteristics.
1) 4 sides or 4 edges
2) 4 vertices or 4 corners
3) the interior angles add up to 360 degrees.

It also is 2-dimensional, all sides are straight, and its lines close.

Examples of quadrilateral shapes are:
1) square
2) rectangle
3) rhombus
4) parallelogram
5) trapezoid
6) kite
4 0
3 years ago
Suppose the function H(t) = 8.5sin(0.017t – 1.35) + 12 models the hours of sunlight for a town in Alaska, where t = 1 is the fir
Vitek1552 [10]

Answer:

  3.5 to 20.5 hours

Step-by-step explanation:

The range of the sine function is -1 to 1, so the range of H will be ...

  -8.5 +12 = 3.5

to

  8.5 +12 = 20.5

The length of the day varies by 17 hours from 3.5 hours to 20.5 hours.

8 0
3 years ago
Evaluate the expression: 6 / 2 ( 1 + 2) = ?
ch4aika [34]
So the (1+2) could be with the 2 under the fraction or not
PEMDAS
simplify parenthasees first
then mulitplicationthen division
then addition and subtraction
6/2(1+2)
if it is
(6/2)(1+2) then go to AAAAAAAA

if it is 6/(2(1+2)) then go to BBBBBBBBB



AAAAAAAAAA
(6/2)(1+2)
simplify 6/2
2/6=3
also simplify 1+2
1+2=3
(3)(3)=9



BBBBBBBB
6/(2(1+2))
simplify inner parthenasees first
1+2=3
6/(2(3))
multiply with parenthaseess
2(3)=6
6/6=1

theh answer is either 9 or 1 depending on where the parenthasees is
5 0
4 years ago
Read 2 more answers
Solve x3= 27.<br> A = 13<br> B. x= 5.2<br> C. x=3<br> D. x=9
scoray [572]

Answer:

x³=27

cuberoot√x³=cuberoot of 27

x=3

3 0
3 years ago
Read 2 more answers
How do you do #8? Plz Help!!
GaryK [48]
You would have to multiply 3.14x29.8 which is 93.572, or 93.6 to the nearest tenth
3 0
3 years ago
Read 2 more answers
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