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makkiz [27]
2 years ago
6

Help me please thank y’all

Mathematics
1 answer:
Lady_Fox [76]2 years ago
3 0
X equals 125 and y equals 55
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Of a triangle
arsen [322]

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}

Cross multiplying, we have:

AB * ED = AE * BC

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

ED = \frac{AE * BC}{AB}

Let's substitute figures,

ED = \frac{26 * 5}{20}

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

Cross multiplying, we have:

AB * CD = AC * BE

Let's make BE subject of the formula,

BE = \frac{AB * CD}{AC}

From the triangle, length AC = AB + BC.

AC = 20 + 5 = 25

Substituting figures, we have:

BE = \frac{20 * 18}{25}

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

Therefore, length Of BE is 14.4cm

7 0
3 years ago
The workers in a senate office said that they received about 700 phone calls from
prohojiy [21]

Answer:

672

Step-by-step explanation:

anything lower then 5 or in this case 50 would round down so 649 rounds to 600 anything higher would round up 672 to 709 763 to 800 and 751 to 800

7 0
3 years ago
Compare the backpack weights for the students in the three classes.
Lina20 [59]
Seventh graders backpacks weigh less than Eleventh graders back packs
5 0
2 years ago
if it takes anne 1/2 hour to read 2/3 of a chapter. About how long will it take her to read a chapter?​
kolbaska11 [484]

Answer:

45 minutes

Step-by-step explanation:

1/2 hour=30 minutes

2/3 of chapter=30 minutes

1/4 of hour=15 minutes

1/3 of chapter=15 minutes

3/4 of hour=45 minutes

3/3 of chapter=45 minutes

6 0
3 years ago
What is 2(9)0-7+3 to the 3rd power
RSB [31]

Answer:

I got -64

Step-by-step explanation:

The begging multiplication is 0 and subtract -7 is becomes just -7 then add 3 and it is -4 to the third power is -64

8 0
3 years ago
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