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kiruha [24]
2 years ago
12

Simplify the following expression 4(8x + 3y)​

Mathematics
1 answer:
netineya [11]2 years ago
4 0

Step-by-step explanation:

4(8x + 3y)

= 4 × 8x + 4 × 3y. [Gets multiplied with 4]

= <u>32x + 12y (Ans)</u>

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A kite flier wondered how high her kite was flying. She used a protractor to measure an angle of 15∘ from level ground to the ki
Nataly [62]

Answer:

12.9 yd

Step-by-step explanation:

It helps if you draw a triangle. Draw a horizontal segment. That is the ground. Now at the left end start a new segment that goes up to the right at approximately 15 degrees until it its other endpoint directly above the right endpoint of the horizontal segment. Connect these two endpoints. The vertical side on the right shows the height of the kite. The hypotenuse is the string.

For the 15-deg angle, the height of the triangle is the opposite leg, and the string is the hypotenuse. The trig ratio that relates the opposite leg tot he hypotenuse is the sine.

\sin A = \dfrac{opp}{hyp}

\sin 15^\circ = \dfrac{h}{50~yd}

(50~yd)\sin 15^\circ = h

h = (50~yd)(0.2588)

h = 12.9~yd

6 0
2 years ago
What is 20x2<br> a 40<br> b 70<br> c 100
Sunny_sXe [5.5K]
20x2= 40 just like 20+20=40
3 0
2 years ago
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sattari [20]
The sum is 45577788999000866;33sorry
6 0
2 years ago
Which sets of coordinate pairs lie on the line created by the equation 2x-2=y?
Agata [3.3K]
X intercept=(1,0)
Y intercept=(0,-2)
You get x by substituting 0 for y and you get y by substituting 0 for x therefore to find y coordinates,
2(0)-2=y
0-2=y
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And to find x coordinates,
2x-2=0
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7 0
3 years ago
Anyone know how to factorise this please ?! :)
raketka [301]

9514 1404 393

Answer:

  a) (x +2)(x +3)

  b) x = -2 or -3

Step-by-step explanation:

a) The constants in the binomial factors will be divisors of 6 that have a sum of 5. You know that ...

  6 = 1×6 = 2×3

The sums of these factor pairs are 7 and 5. You want the pair 2, 3. The factors are ...

  x² +5x +6 = (x +2)(x +3)

__

b) The solutions to the equation are the values of x that make the factors zero:

  (x +2) = 0   ⇒   x = -2

  (x +3) = 0   ⇒   x = -3

6 0
3 years ago
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