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3 years ago

In 1999. Sara and her brother Xzavier got money when their rich uncle died. They

Mathematics

1 answer:

Hunter-Best [27]3 years ago

3 0

Answer:

$406,300

Step-by-step explanation:

$2,700 + $3,600 = $6,300

$400,000 + $6,300 = $406,300

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write the ratio for the following description. kaleel made three times as many baskets as john during basketball practice.

Elena L [17]

Ratio is 3:1

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3 years ago

What's sss, sas, asa, aas, and hi. when it comes to solving triangles?<br>

tekilochka [14]

Answer:

SSS = side side side

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2 years ago

What expression is equivalent to 5(2x-7)

yarga [219]

Answer:10x-35

Step-by-step explanation:

5(2x-7)

Clear bracket

10x-35

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3 years ago

The figure the Floor Plan of a balcony ,it consists of △ABC and semi-circle ,

ivanzaharov [21]

Step-by-step explanation:

(a) In right triangle ABC,

$AC^2 =AB^2 +BC^2 \\ = {12}^{2} + {5}^{2} \\ = 144 + 25 \\ = 169 \\ AC = \sqrt{169} \\ \therefore \: AC = 13\: m \\ \\ AC \: is \: the \: diameter \: of \: semicircle \\ \therefore \: r = \frac{1}{2} \times AC = \frac{1}{2} \times 13 = 6.5 \: m \\ Circumference \:of \:semi-circle \\ C = \pi \: r = 3.14 \times 6.5 = 20.41 \:m\:$

Perimeter of Balcony = 12 + 5 + 20.41 = 37.41 m

(b) Area of balcony

$=\frac{1}{2}\times 12\times 5+\frac{1}{2} \pi r^2 \\\\=\times 6\times 5+\frac{1}{2} \times 3.14\times (6.5)^2 \\\\=30+\frac{1}{2} \times 3.14\times42.25\\\\= 30+\frac{1}{2} \times 132.665\\\\= 30 + 66.3325\\\\= 96.3325 \:m^2 \\\\\approx 96. 33\:m^2$

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3 years ago

The scatterplot shows pairs of final exam grades (x, y) for a group of students.

emmainna [20.7K]

The answer is D. There is a positive correlation between the hours studied and grades earned.

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3 years ago