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Genrish500 [490]
2 years ago
12

Evaluate the expression 2(3-5)^3+4(-4+7)

Mathematics
1 answer:
Nitella [24]2 years ago
3 0

Answer:

the answer I got is negative 4

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For second answer how do you get it plz urgent plz
inna [77]

Step-by-step explanation:

Complete question is attached.

Answer:

a) ED = 6.5 cm

b) BE = 14.4 cm

Step-by-step explanation:

From the triangle, we are given the following dimensions:

AB = 20 cm

BC = 5 cm

CD = 18 cm

AE = 26 cm

We are asked to find length of sides ED and BE.

a) Find length of ED.

From the triangle Let's use the equation:

\frac{AB}{BC} = \frac{AE}{ED}BCAB=EDAE

Cross multiplying, we have:

AB * ED = AE * BC

From this equation, let's make ED subject of the formula.

ED = \frac{AE * BC}{AB}ED=ABAE∗BC

Let's substitute figures,

ED = \frac{26 * 5}{20}ED=2026∗5

ED = \frac{130}{20} = 6.5ED=20130=6.5

Therefore, length of ED is 6.5 cm.

b) To find length of BE, let's use the equation:

\frac{AB}{AC} = \frac{BE}{CD}ACAB=CDBE

Cross multiplying, we have:

AB * CD = AC * BE

Let's make BE subject of the formula,

BE = \frac{AB * CD}{AC}BE=ACAB∗CD

From the triangle, length AC = AB + BC.

AC = 20 + 5 = 25

Substituting figures, we have:

BE = \frac{20 * 18}{25}BE=2520∗18

BE = \frac{360}{25} = 14.4BE=25360=14.4

Therefore, length Of BE is 14.4cm

I JUST SO THAT IN INTERNET:)

4 0
3 years ago
Write y=-3/4x+3 in standard form using integers
ArbitrLikvidat [17]

Answer:

12x+3  /  4x


Step-by-step explanation:


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3 years ago
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larisa86 [58]

Answer:

please give brainiest

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Answer? .............................
kumpel [21]

ANSWER TO QUESTION ONE IS   5  

5x2+5=15  

5-4=1

15x1=15

QUESTION 2

X = 20

IDK 3 :(

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3 years ago
Best one gets brainlist
gulaghasi [49]

Answer:

$2 per minute

Step-by-step explanation:

trust me. :)

Hope this helps!

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3 years ago
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