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3 years ago

26 cm/second = x meters/min

Mathematics

1 answer:

MrRissso [65]3 years ago

7 0

The answer is 15.6 meters/min

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During a certain period of time, about 70 northern sea otters had an annual growth of 18%. Use an exponential function to find t

Alenkinab [10]

Answer:

135.71 sea otters

Step-by-step explanation:

y = 70(1.18)^4

y = 70 x 1.9387

y = 135.71

6 0

2 years ago

3.5 hours:$10 1/2 hour:$1.25. What is the unit rate in dollars per hour for each company?

Rasek [7]

One company wants $10 per 3.5 hours, so they want 10 / 3.5 ≈ 2,86 dollars per hour (after rounding to the closest hundreths).

Second company wants $1.25 per half an hour, so they want 2 * 1,25 = 2,50 dollars per hour.

The unit rate is 2,86:2,50

7 0

3 years ago

In 2018, Yolanda paid $4,526 in Social Security tax. If the Social Security tax rate was 6.2% to the maximum income of $128,400

lana [24]

Answer:

$73000

Step-by-step explanation:

Given: Social security tax paid by Yolanda is $4562.

6.2% tax to be paid on earning to the maximum income of $128400.

Lets assume Yolanda´s income be `x`.

Now, calculating the taxable income of Yolanda

∴ $62\% \times x= \$ 4526$

⇒ $\frac{62}{100} \times x= 4526$

Cross multiplying both side

⇒ x= $\frac{4526\times 100}{6.2}$

∴x= $73000

∴ Yolanda´s taxable income is $73000.

7 0

3 years ago

Carla is riding a motorcycle across the country. After 4 hours, she is 600 miles from Denver. After 8 hours, she is 320 miles fr

KengaRu [80]

I wanna say 920 but may be wrong

6 0

3 years ago

Read 2 more answers

(6 8/25 ÷(−1)−(−0.8)·(−0.1))÷(−0.25÷1.25−1 3/5 ÷(−5 1/3 ))

const2013 [10]

Answer:

-64

Step-by-step explanation:

Given expression

$\left(6 \dfrac{8}{25}\div (-1)-(-0.8)\cdot (-0.1)\right)\div\left (-0.25\div 1.25-1 \dfrac{3}{5} \div\left(-5 \dfrac{1}{3} \right)\right)$

Perform all multiplications and divisions:

$6\dfrac{8}{25}\div (-1)=-6\dfrac{8}{25}\\ \\(-0.8)\cdot (-0.1)=0.08\\ \\-0.25\div 1.25=-\dfrac{0.25}{1.25}=-\dfrac{25}{125}=-\dfrac{1}{5}\\ \\1\dfrac{3}{5}\div \left(-5\dfrac{1}{3}\right)=-\dfrac{8}{5}\cdot \dfrac{3}{16}=-\dfrac{3}{10}$

Now subtract results in brackets:

$-6 \dfrac{8}{25}-0.08=-6.32-0.08=-6.4\\ \\-\dfrac{1}{5}-\left(-\dfrac{3}{10}\right)=-0.2+0.3=0.1$

Now, divide:

$-6.4\div 0.1=-\dfrac{6.4}{0.1}=-\dfrac{64}{1}=-64$

5 0

3 years ago