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3 years ago

HELP ME ASAP!!!

Mathematics

2 answers:

MrMuchimi3 years ago

8 0

Answer:

1 7/12?

Step-by-step explanation:

nadezda [96]3 years ago

7 0

Answer:

$1 \frac{7}{12}$

$3 \frac{19}{24}$

$8 \frac{3}{10}$

$5 \frac{1}{7}$

$5 \frac{5}{12}$

$3 \frac{11}{15}$

Step-by-step explanation:

To add or subtract you need to make the denominator the same. To do this you need to find the least common multiple.

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a_sh-v [17]

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2 years ago

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2 years ago

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If f(x)= 5x + 4 and g(x) = 1/2x<br><br> find ,<br> a) fg(5)

Veseljchak [2.6K]

Answer:

f(g(5)) = 16.5

Step-by-step explanation:

To calculate f(g(5)), evaluate g(5) then substitute the value obtained into f(x)

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2 years ago

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A gumball machine has 220 red gumballs. If the red gumballs are 50% of the total number of gumballs, how many gumballs are in

JulijaS [17]

Answer:

440

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If 50% of the total gum balls are red which is 220, then the other 50% is 220.

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3 years ago

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Find the product of z1 and z2, where z1 = 7(cos 40° + i sin 40°) and z2 = 6(cos 145° + i sin 145°).

Oduvanchick [21]

For two complex numbers $z_1=re^{i\theta}=r(\cos\theta+i\sin\theta)$ and $z_2=se^{i\varphi}=s(\cos\varphi+i\sin\varphi)$ , the product is

$z_1z_2=rse^{i(\theta+\varphi)}=rs(\cos(\theta+\varphi)+i\sin(\theta+\varphi))$

That is, you multiply the moduli and add the arguments. You have $z_1=7e^{i40^\circ}$ and $z_2=6e^{i145^\circ}$ , so the product is

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2 years ago

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