3 years ago

Multiply the polynomial (x-5)(x^2+4x-2)

Mathematics

1 answer:

madreJ [45]3 years ago

7 0

Answer:

x^3-x^2-22x+10

Step-by-step explanation:

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Solve 3√x+3=15 please show work

zavuch27 [327]

Divide both sides by 3
$\sqrt{x+3}=5$

Square both sides
$x+3=25$

Simplify and solve
$x=22$

3 0

3 years ago

A walkway forms one diagonal of a square playground. The walkway is 18 m long.

olga55 [171]

18m x 4 = 72m

Walkway = 72 meters.

6 0

4 years ago

Evaluate the expression. 1.4 + (8.8 - 4.9)

ss7ja [257]

Answer

5.3

1.4 + (8.8 - 4.9)

Simplify

1.4+3.9

simplify

5.3

Hope this helps ༼ つ ◕_◕ ༽つ

6 0

3 years ago

HELP GEOMETRY PLEASE

Alexandra [31]

For each of the problems, twice the angle formed by the chords is equal to half the sum of the angles of the arcs.

So, for the first problem, we have $94 \cdot 2 = x+103$ , so $x = 188 - 103 = 85$ .

For the second, $102 \cdot 2 = x + 118$ , so $x = 204 - 118 = 86$ .

For the last problem, $106 \cdot 2 = x + 88$ , so $x = 212 - 88 = 124$ .

Feel free to comment below if you have any questions!

4 0

3 years ago

Same solution as 4(2y-1)=-25

Vikki [24]

Answer:

y = -21/8 or as a decimal y = -2.625

Step-by-step explanation:

Step 1: Distribute

4(2y - 1) = -25

(4 * 2y) + (4 * -1) = -25

8y - 4 = -25

Step 2: Add 4 to both sides

8y - 4 + 4 = -25 + 4

8y = -21

Step 3: Divide both sides by 8

8y / 8 = -21 / 8

y = -2.625

Answer: y = -21/8 or as a decimal y = -2.625

7 0

3 years ago