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3 years ago

15

PLS HELP WILL MARK YOU BRIANLIEST

2 answers:

Rasek [7]3 years ago

8 0

Answer:

Area=210

perimeter=66

Step-by-step explanation:

A=a+b(h)/2

P=a+b+c+d

Citrus2011 [14]3 years ago

4 0

Answer:

Step-by-step explanation:

$A=\frac{a+b}{2}h\\ =\frac{18+24}{2}*10\\ =210m^2$ (AREA)

$P=a+b+c+d\\=18+24+12+12\\=66m$ (PERIMETER)

Perimeter is just the outside lengths

Area is the whole inside area which is larger than the perimeter

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Ana can finish a certain job in 10 hours. Together, Ana and Nina can finish the same job in 3 hours. How many hours can Nina fin

Over [174]

Answer: 4.5 hours

<u>Step-by-step explanation:</u>

$Ana: \dfrac{1}{10}\ \text{job per hour}\\\\Nina: \dfrac{1}{x}\ \text{job per hour}\\\\Together: \dfrac{1}{3}\ \text{job per hour}\\\\\\Ana + Nina = Together\\\dfrac{1}{10}\quad +\dfrac{1}{x}\quad =\quad \dfrac{1}{3}\\\\\\\dfrac{1}{10}(30x)+\dfrac{1}{x}(30x) =\dfrac{1}{3}(30x)\\\\\\\rightarrow\quad 3x+30=10x\\\\.\quad 3x+30=10x\\\underline{-3x\qquad \quad -3x\quad}\\.\qquad \quad 30=7x\\\\.\qquad \quad \dfrac{30}{7}=\dfrac{7x}{7}\\\\\\.\qquad \quad \dfrac{30}{7}=x$

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5 0

3 years ago

What values of x make this inequality true?

Alborosie

Answer:

A. x > 13

Step-by-step explanation:

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3 0

3 years ago

Could any of y'all help me?

Scorpion4ik [409]

Start using calculator

5 0

3 years ago

Quick it is due in 30 mins plz do quick

dimulka [17.4K]

Answer:

1. 69°

2. 97°

3. 145°

4. 150°

5. 128°

6. 74°

Step-by-step explanation:

To find the angle measure of the missing angle, we have to note that the angle measures of a quadrilateral will all equal up to be 360°.

If we know 3 out of the 4 angles and the sum of the angles, we can add up the angles we know then subtract that from 360.

<em>Number 1:</em>

$87+112+92=291$

$360-291=69$

<em>Number 2:</em>

<em></em> $124+71+68=263$ <em></em>

<em></em> $360-263=97$ <em></em>

<em></em>

<em>Number 3:</em>

<em></em> $95+46+74=215$ <em></em>

<em></em> $360-215=145$ <em></em>

<em></em>

<em>Number 4:</em>

<em></em> $72+49+89=210$

$360-210=150$

<em>Number 5:</em>

<em></em> $69+65+98=232$ <em></em>

$360-232=128$

<em>Number 6:</em>

<em></em> $77+123+86=286$ <em></em>

<em></em> $360-286=74$ <em></em>

<em></em>

<em></em>

<em><u>Hope this helped!</u></em>

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3 years ago

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Answer:

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4 0

3 years ago

Read 2 more answers