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ladessa [460]
3 years ago
6

Add the following polynomials (2x + 5) + (-1x -4) Answer options: 3x + 9, 3x + 1, 1x + 1, 1x + 9

Mathematics
1 answer:
Leni [432]3 years ago
3 0

Answer:

1x+1

Step-by-step explanation:

just open the parentheses

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7 - (- __ ) = 12<br> what is the missing number
jarptica [38.1K]

Answer:

7 - - 5 = 12

Step-by-step explanation:

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4 years ago
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Which transformation will be equivalent to rotating a figure 270° counterclockwise? A) reflecting over the x-axis and the y-axis
bagirrra123 [75]
Reflection over the y-axis:
  (x, y) ⇒ (-x, y)

Reflection of that over the line y = x:
  (-x, y) ⇒ (y, -x)

Rotation counterclockwise by 270°:
  (x, y) ⇒ (y, -x) . . . . . . equivalent to reflection over y, then over y=x.

The appropriate choice is ...
  C) Reflecting over the y-axis and then reflecting over the line y = x.
5 0
4 years ago
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Help, please giving brainless
podryga [215]

Step-by-step explanation:

Number of boxes that will fit =2340

Step-by-step explanation:

The shipping box volume can be calculated by the formula V = Lxwxh ,where L ,w ,h are length ,width and height of the box.

The length of the shipping box =3\frac{3}{4} =\frac{15}{4} ft.

Width = 3 ft.

Height =3\frac{1}{4} =\frac{13}{4} ft.

Volume of shipping box =\frac{15}{4} .3 .\frac{13}{4} =\frac{585}{16} = 36.6 ft.cubic ft.

Volume of shipping box can also be calculated by multiplying base area with the height of box.

Base area of box = \frac{15}{4} .3=\frac{45}{4} square ft.

Volume of box = base area x height =\frac{45}{4} .\frac{13}{4} = 36.6 cubic ft.

Volume of packing cubes =\frac{1}{4} .\frac{1}{4} .\frac{1}{4} =\frac{1}{64} cubic ft.

Number of fish boxes that will fit in the shipping box = volume of shipping box ÷ volume of fish food box = 36.6 ÷ \frac{1}{64} =2340 .

4 0
4 years ago
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The measure of two supplementary angles are A=(4a+7)° and B=(a-2)° find the measure of the two angles
Mama L [17]

Answer:

147˚, 33˚

Step-by-step explanation:

supplementary angles means those angles add up to 180˚

so A+B = 180

substitute A and B with the values given.

(4a+7) + (a-2) = 180

combine like terms

5a + 5 = 180

5a = 175

a = 35

Now that we have a, substitute in the actual value of a into the expressions for each angle.

for <A: 4(35) + 7 = 147˚

for <B: 35 - 2 = 33˚

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3 years ago
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Find the slope and the y-intercept of the line determined by the given equation.
Nonamiya [84]
Slope is 2: y intercept is 7
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3 years ago
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