3 years ago

Help on question 4 ❤️❤️❤️

Mathematics

1 answer:

kompoz [17]3 years ago

5 0

2/5, 1/10, and 1/20 are all less than 1/2

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The vertices of ΔABC are A(2, -5), B (-3, 5), and C (3, -3). The triangle is reflected over the x-axis. Use arrow notation to de

Artyom0805 [142]

Reflected over the x-axis: $A'(2,-5),B'(-3,-5),C'(3,3)$ . Hence, the original triangle is described by A'B'C'.

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3 years ago

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A roller coaster can accommodate 18 riders in 8 minutes. Complete the table with equivalent ratios.

12345 [234]

Answer:

36 riders in 16 minutes, 54 riders in 24 minutes, and 72 riders in 32 minutes.

Step-by-step explanation:

The roller coaster can accommodate 9 riders every 4 minutes. 36 riders in 16 minutes, 54 riders in 24 minutes, and 72 riders in 32 minutes all follow the common ratio.

7 0

3 years ago

If 12,025 was invested at 3.25% compounded monthly 3 years, how much interest will be earned

wariber [46]

Answer:

$1,229.75

Step-by-step explanation:

Lets use the compound interest formula provided to solve this:

$A=P(1+\frac{r}{n} )^{nt}$

P = initial balance

r = interest rate (decimal)

n = number of times compounded annually

t = time

First, change 3.25% into a decimal:

3.25% -> $\frac{3.25}{100}$ -> 0.0325

Since the interest is compounded monthly, we will use 12 for n. Lets plug in the values now:

$A=12,025(1+\frac{0.0325}{12})^{12(3)}$

$A=13,254.75$

Lastly, subtract A from P to get the interest earned:

$13,254.75 - 12,025 = 1,229.75$

6 0

3 years ago

Using specific data, we find a significant difference in the proportion of fruit flies surviving after 13 days between those eat

pshichka [43]

Answer:

Test statistic:

z = (0.67 - 0.63) / 0.033 = 1.21

p - Value = P(z > 1.21) = 0.106

My conclusion: Fail to reject null hypothesis

No, there is no evidence of a difference

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3 years ago

HELP ME PLEASEEEEEEEE I WILL MARK BRAINLIEST TO CORRECT ANSWER

Hitman42 [59]

Answer:

Step-by-step explanation:

$4a+7\\\\a=\frac{1}{2}\\\\=4[\frac{1}{2}]+7\\\\=2+7\\\\=9$

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3 years ago

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