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2 years ago

HELP PLEASE. I DONT HAVE A LOT OF TI ME.

Mathematics

1 answer:

lara [203]2 years ago

3 0

Answer:

Step-by-step explanation:

Uniform means same or equal and c has equal parts.

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And right triangle ABC shown, what is the length of AC?

Vera_Pavlovna [14]

Simple pythagorus theorem with the equation a^2=b^2+c^2
To find AC, (2^2)+(3^2)=4+9=13
AC=the square root of 13

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2 years ago

Sam has 9 yellow pencils in his desk. Three fourths of his pencils are yellow How many pencils does Sam have in his desk

polet [3.4K]

Sam has 12 pencils in total.

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3 years ago

Read 2 more answers

How do you find DE, Round to nearest 10th

Sergeu [11.5K]

Answer: $DE\approx6.0$

Step-by-step explanation:

Observe in the figure given in the exercise that four right triangles are formed.

In this case you can use the following Trigonometric Identity to solve this exercise:

$cos\alpha=\frac{adjacent}{hypotenuse}$

From the figure you can identify that:

$\alpha =53\°\\\\hypotenuse=10\\\\adjacent=BE=DE$

Then, you can substitute values:

$cos(53\°)=\frac{DE}{10}$

The next step is to solve for DE in order to find its value. This is:

$10*cos(53\°)=DE\\\\DE=6.01$

Finally, rounding the result to the nearest tenth, you get that this is:

$DE\approx6.0$

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3 years ago

Samuel earned $18.90 working last weekend. He worked for 2 hours. Which equation and

MariettaO [177]

Answer:

A)18.90 = 2.25e

Samuel earns $8.40 per hour.

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3 years ago

On a venn diagram shade the region<br>a'n(bnc)

svlad2 [7]

Answer:

See the three attached images.

Step-by-step explanation:

image1 shows the intersection of b and c: $b \cap c$ . (green "football")

image2 shows the <u>complement</u> of a (outside a): $a'$ (yellow)

image3 shows the intersection of those sets: $a'\cap (b\cap c)$ (green "football with a bite out of it") :-)

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3 years ago