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2 years ago

PLS HELP WILL MARK BRAINLIEST!!!! please include solution

Mathematics

1 answer:

Assoli18 [71]2 years ago

6 0

Answer:

1.)

$12 {x}^{6} {y}^{9} {z}^{5}$

2.)

$- \frac{3}{4} {a}^{4} {b}^{7} {c}^{3}$

Step-by-step explanation:

1.) multiply the coefficients add the exponents

2.)

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2 years ago

Lucy’s parents built a swimming pool in the backyard. Use 3.14 for π.

Neporo4naja [7]

Answer:

Distance around the pool = 162.8 feet

Area of the pool = 957 square feet

Step-by-step explanation:

Distance around the swimming pool = Perimeter of the pool

Perimeter of the pool which is a composite figure will be,

= Circumference of the semicircle + Sum of three sides of the pool

= πr + 2×(length of the pool) + width of the pool

= 3.14×(10) + 2×40 + 20

= 62.8 + 80 + 20

= 162.8 ft

Area of the pool = Area of the semicircle + Area of the rectangular pool

= $\frac{1}{2}(\pi)(r)^{2}+(\text{length}\times \text{Width})$

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= 157 + 800

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3 years ago

What is the converse of r->(~q v p)

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Answer:

$r => (\neg q \ \lor p) \ \equiv \ q \ \land \ \neg p => \neg r$

Step-by-step explanation:

In general, remember that the converse of $a => b$ is $\neg b => \neg a$ , therefore in this case $a = r \ \ , b = \neg q \ \lor p$

so $r => (\neg q \ \lor p) \ \equiv \ q \ \land \ \neg p => \neg r$

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If you plug in h, the answer would be 13-9 which is 4.

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