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defon
3 years ago
13

Help solving this math problem

Mathematics
2 answers:
____ [38]3 years ago
8 0

A2. Answer:75 degrees.

The total angle = 125..

Given angle = 50..

Therefore needed angle = 125-50=75

A1. the first answer is 110 degrees

we have both the given angles so to get the total we add them and get 110 degrees

Lady_Fox [76]3 years ago
7 0

Answer:55 degrees

Step-by-step explanation:

So the two problems both ave TS which meant R is 20 and W is 25

and T is 10 and S is 10.

so

R 20 +

S 10 +

W 25 =

RSW 55

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Factor completely x3 + 8x2 − 3x − 24.
Anna71 [15]

Answer:

<h2>x³ + 8x² - 3x - 24 = (x + 8)(x - √3)(x + √3)</h2>

Step-by-step explanation:

x^3+8x^2-3x-24\\\\=(x^2)(x)+(x^2)(8)+(-3)(x)+(-3)(8)\qquad\text{distribute}\\\\=x^2(x+8)-3(x+8)\\\\=(x+8)(x^2-3)\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=(x+8)(x^2-(\sqrt3)^2)\\\\=(x+8)(x-\sqrt3)(x+\sqrt3)

7 0
3 years ago
If the value of y varies directly with x and y= -1 when x=3, find y if x=9
Zolol [24]

y = - 3

Since y varies directly as x then

y = kx ← ( k is the constant of variation )

to find k use y = - 1 when x = 3

k = \frac{y}{x} = \frac{-1}{3} = - \frac{1}{3}

hence y = - \frac{1}{3} x

when x = 9, then

y = - \frac{1}{3} × 9 = - 3


4 0
3 years ago
Please help with this 8x2+4y÷z when x=12, y=34, and z=2 I don't know this
natita [175]
8x12=96 4x34=136 136+96=232 232/2=116 answer=116
4 0
3 years ago
Write as a mixed number to the lowest terms 9 1/4 - 6 2/3 =
yuradex [85]
The answer is 2 7/12 your welcome give me brainlist
5 0
3 years ago
1. Find the capacity in litres of a bucket 24cm in
Sav [38]

Answer:

6.36l

Step-by-step explanation:

We compute first the volume:

V=pi×h/3×(R²+r²+rR), where h=20cm is the height, R=24/2=12cm is the top radius, r=16/2=8cm is the bottom radius.

We get: V=pi×20/3(12²+8²+12×8)=

20×pi/3(144+64+96)cm³

V=20×pi/3×304=6363.73cm³

In dm³ we have (divide by 1000) V=6.36dm³

By definition, 1dm³=1l, so the capacity is 6.36l

8 0
3 years ago
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