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almond37 [142]
3 years ago
15

-5(6x - 2) + 4. Plsss help!

Mathematics
2 answers:
german3 years ago
6 0
The answer is -30x + 14 because
-5(6x - 2) + 4
Distribute 5 through the parentheses
-30x + 10 + 4
Add the numbers
-30x + 14
Solution
-30x + 14
lara [203]3 years ago
5 0

Answer:

30x+14

Step-by-step explanation:

-30x+10+4 (Distribute)

Hope this helps

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ABDC is a trapezoid. Line AB = 2.5, and Line EF = 4.5. What is the length of Line CD ?
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The line CD is the median of thre trapezoid, therefore its measures is shown below:
 You must sum the largest base and the shortest base and divide both of them by 2, as following:
 CD=(4.5+2.5)/2
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 CD=3.5
 Therefore, as you can see, the measure of the line CD is 3.5
 The answer is: 3.5
6 0
3 years ago
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a lab has two bacteria cultures.Culture A contains 8×10 to the power 4, and Culture B has 4×10 to the power of 6 bacteria.How do
viktelen [127]

Answer:

392000

Step-by-step explanation:

8*10^4 = 80000

4*10^6= 4000000

4000000 - 80000 = 392000

7 0
3 years ago
A basketball player makes 90% of her free throws. what is the probability she will miss for the first time on the seventh shot?
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52.17% is the probability she will miss for the first time.
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3 years ago
In ΔJKL, k = 9.6 cm, l = 2.7 cm and ∠J=43°. Find ∠L, to the nearest 10th of a degree.
Bogdan [553]

Answer:

L = 10.64°

Step-by-step explanation:

From the given information:

In triangle JKL;

line k = 9.6 cm

line l = 2.7 cm; &

angle J = 43°

we are to find angle L = ???

We can use the sine rule to determine angle L:

i.e

\dfrac{j}{SIn \ J} = \dfrac{l}{ SIn \ L}

Using Pythagoras rule to find j

i,e

j² = k² + l²

j² = 9.6²+ 2.7²

j² = 92.16 + 7.29

j² = 99.45

j = \sqrt{99.45}

j = 9.97

∴

\dfrac{9.97}{Sin \ 43} = \dfrac{2.7}{ Sin \ L}

{9.97 \times    Sin (L ) = (2.7 \times Sin \ 43)

=  Sin \ L = \dfrac{ (2.7 \times Sin \ 43)}{9.97 } \\ \\ =  Sin \ L = \dfrac{ (2.7 \times 0.6819)}{9.97 }  \\ \\  = Sin \ L = 0.18466 \\ \\  L = Sin^{-1} (0.18466) \\ \\  L = 10.64 ^0

3 0
3 years ago
Factorise
Rufina [12.5K]

Answer:

6x - 9

3(2x−3)

2a(5b+3)

Step-by-step explanation:

Factor 6a+10ab

10ab+6a

Factor 6x−9

6x−9

=3(2x−3)

                             :))

8 0
2 years ago
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