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KatRina [158]
3 years ago
11

Algebra Find the values for x and y in parallelogram ABCD. AE= 2x, EC=y+4, DE=x, EB=2y-1. AC and BD intersect at point E

Mathematics
1 answer:
erastova [34]3 years ago
6 0

Answer:

x

=

y

=

A

E

=

2

x

=

E

C

=

y

+

4

=

D

E

=

x

=

E

B

=

2

y

−

1

A

C

=

B

D

=

E

=

Step-by-step explanation:

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Answer:

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Step-by-step explanation

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Vsevolod [243]

Answer:

d = 2.5r and r = \frac{d}{2.5}

Step-by-step explanation:

Given

5 daises to 2 roses

Required

Determine the relationship between them

The question shows a direct proportion between number of daises and roses.

i.e.

d\ \alpha\ r

Where d = daises and r = roses

Convert the above expression to an equation

d = kr

Make k the subject

k = \frac{d}{r}

When d = 5 and r = 2;

k = \frac{5}{2}

k = 2.5

So, the first relationship between d and r can be gotten by substituting 2.5 for k in d = kr

So:

d = 2.5 * r

d = 2.5r ----------- (1)

Make r the subject in (1)

r = \frac{d}{2.5} ------------------------(2)

Hence, the relationships between d and r are:

d = 2.5r and r = \frac{d}{2.5}

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3 years ago
In algebraic expression<br><br> Three-fourths the square of a number.
allsm [11]

Answer:

3/4x^2

Step-by-step explanation:

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Answer:

After 7 minutes both the tanks will have the same amount of water.

Step-by-step explanation:

The water is filling in a tank at the rate of 75 L/mins from an initial 550 L of water and water is removing from another tank at the same rate from the initial 1600 L of water.

Let us assume that the same amount of water will be there in both the tanks after t minutes.

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Answer:

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Step-by-step explanation:

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