3 years ago

How many really solutions does 4a^2 = 8a− 4 have

Mathematics

1 answer:

creativ13 [48]3 years ago

4 0

Answer:

It has one solution which is a=1

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Given: rectangle ABCD is similar to rectangle ZBXY. If BC = 10, BX = 6, XY = 4, then CD =

maksim [4K]

Answer:

$CD=6\frac{2}{3}\ units$

Step-by-step explanation:

we know that

If rectangle ABCD is similar to rectangle ZBXY

then

the ratio of their corresponding sides is equal and is called the scale factor

$\frac{BC}{BX}=\frac{CD}{XY}$

in this problem we have

$BC=10\ units$

$BX=6\ units$

$XY=4\ units$

Substitute the values and solve for CD

$\frac{10}{6}=\frac{CD}{4}$

$CD=4*10/6$

$CD=20/3=6\frac{2}{3}\ units$

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3 years ago

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Assoli18 [71]

$\sqrt{54}$
is same as
$3 \sqrt{6}$

$\sqrt{24}$
is same as
$2 \sqrt{6}$

no you have same sq. root
$2 \times 3 \sqrt{6} + 5 \times 2 \sqrt{6}$
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$16 \sqrt{6}$

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3 years ago

What is the midpoint in 74.1 and 74.2

nikitadnepr [17]

Answer:

74.15

Step-by-step explanation:

this is bc there are ten spaces between 74.1 and 74.2. halfway between that is another 00.05 points.

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3 years ago

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What are the coordinates of the image of vertex R -3,4 after a reflection across the y-axis? (–4, 3) (4, –3) (–3, –4) (3, 4)

Feliz [49]

The coordinate of the image after being reflected is R(3,4).

When dealing with reflection of a line or shape or a figure in the coordinate plane, especially if it is reflected across the y- axis, you just have to give the opposite of the given (original) x- coordinate in order to give a symmetric figure.

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If maria paid her supplier $8.50/doz for roses and sold them for $19.95,what was the percent markup?

Shkiper50 [21]

Answer: 42.6% or you can round it to 43%

Step-by-step explanation:

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