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3 years ago

13

Hello can anyone help me with this because im struggling so god hard

2 answers:

goldenfox [79]3 years ago

7 0

$\bf 10\div \stackrel{mixed}{2\frac{1}{4}}\implies 10\div \cfrac{2\cdot 4+1}{4}\implies 10\qquad \div \stackrel{improper}{\cfrac{9}{4}} \\\\\\ \cfrac{10}{1}\div \cfrac{9}{4}\implies \cfrac{10}{1}\cdot \cfrac{4}{9}\implies \cfrac{40}{9}\implies 4\frac{4}{9}$

Finger [1]3 years ago

5 0

Answer:4/9

Step-by-step explanation:

Because you would do keep change flip flipping the 9/4 to 4/9

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This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive an

maxonik [38]

Answer:

5.0 ft-lbf

Step-by-step explanation:

The force is

$F = \dfrac{9}{6^x}$

This force is not a constant force. For a non-constant force, the work done, <em>W</em>, is

$W = \int\limits^{x_2}_{x_1} {F(x)} \, dx$

with $x_1$ and $x_2$ the initial and final displacements respectively.

From the question, $x_1 =0$ and $x_2 = 12$ .

Then

$W = \int\limits^{12}_0 {\dfrac{9}{6^x}} \, dx$

Evaluating the indefinite integral,

$\int\limits \dfrac{9}{6^x} \, dx =9 \int\limits\!\left(\frac{1}{6}\right)^x \, dx$

From the rules of integration,

$\int\limits a^x\, dx = \dfrac{a^x}{\ln a}$

$9 \int\limits \left(\frac{1}{6}\right)^x \, dx = 9\times\dfrac{(1/6)^x}{\ln(1/6)} = -5.0229\left(\dfrac{1}{6}\right)^x$

Returning the limits,

$\left.-5.0229\left(\dfrac{1}{6}\right)^x\right|^{12}_0 = -5.0229(0.1667^{12} - 0.1667^0) = 5.0229 \approx 5.0 \text{ ft-lbf}$

4 0

3 years ago

Can I please get some help on these two

OlgaM077 [116]

7. (150 cal)/(3/4 serving) = 150/1 / 3/4 = 150/1 * 4/3 = 200 cal/serving

6 0

3 years ago

There are 7 days in 1 week. How many days are there<br> in 4 weeks?

otez555 [7]

Answer:

28 days

Step-by-step explanation:

You multiply 7 by 4 for find the number of days in 4 weeks, since 1 week is 7 days: 7 × 4 = 28.

Hope this helps!

8 0

3 years ago

Read 2 more answers

You eat 3/10 of a pack of hot dogs. Your friend eats 1/5 of the pack of hot dogs. What fraction of the pack of hot dogs do you a

GalinKa [24]

Answer:

1/2

Step-by-step explanation:

Both fractions can be expressed using a denominator of 10. The sum can be reduced by removing a common factor of 5 from numerator and denominator.

$\dfrac{3}{10}+\dfrac{1}{5}=\dfrac{3}{10}+\dfrac{2}{10}\\\\=\dfrac{3+2}{10}=\dfrac{5\cdot 1}{5\cdot 2}=\dfrac{1}{2}$

6 0

4 years ago

Jacob has several babysitting jobs.on one job ,he earned $10 an hour plus an extra $20 since there were 3 children.On another jo

Umnica [9.8K]

Answer:

4 hours, $60

Step-by-step explanation:

6 0

3 years ago