Nathan is making a beaded bracelet. for for every 5 red beads and there are 3 white

Mathematics

1 answer:

Anni [7]3 years ago

4 0

10 : 6

The ratio is already in lowest terms so I found an equivalent ratio by multiplying both terms by 2.

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Multiply (-2xy+z)(5x+yz).

NARA [144]

-10 X Squared y -2 x y squared + z + 5 z x + z squared y . THATS THE ANSWER HOPE I HELPED MAKE SURE TO ASK ME MORE IM HAPPY TO HELP

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2 years ago

Can someone help solve both of these? ASAP

zhuklara [117]

Question 4

$\sin 30^{\circ}=\frac{y}{14\sqrt{3}}\\\\\frac{1}{2}=\frac{y}{14\sqrt{3}}\\\\\boxed{y=7\sqrt{3}}\\\\\\\\\cos 30^{\circ}=\frac{x}{14\sqrt{3}}\\\\\frac{\sqrt{3}}{2}=\frac{x}{14\sqrt{3}}\\\\\boxed{x=21}$

Question 5

$\cos 45^{\circ}=\frac{x}{28}\\\\\frac{1}{\sqrt{2}}=\frac{x}{28}\\\\x=\frac{28}{\sqrt{2}}\\\\\boxed{x=14\sqrt{2}}\\\\\\\\\sin 45^{\circ}=\frac{y}{28}\\\\\frac{1}{\sqrt{2}}=\frac{y}{28}\\\\y=\frac{28}{\sqrt{2}}\\\\\boxed{y=14\sqrt{2}}$

7 0

1 year ago

This morning Greg’s car had 25.25 of fuel now 1.4 gallons are left how much fuel did Greg use

tensa zangetsu [6.8K]

Answer:23.85

Step-by-step explanation:

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3 years ago

To test the impact performance of a 10 cm thick gymnastics mat, a 20 kg cylindrical

denis23 [38]

Answer:

A)196J

B)-208J

C)3467J

Step-by-step explanation:

We are given that a 20 kg cylindrical mass is dropped onto the mat from a height of 1 m above the mat. During the impact, the cylinder’s vertical velocity reaches zero at the instant the mat has compressed to only 4 cm thick.

So, The Mat gets compressed by : 10cm - 4 cm = 6 cm=0.06 m

Using Conservations of energy

Potential energy at the top = Kinetic energy at the point before touching the surface

Kinetic energy = mgh= $20 \times 9.8 \times 1 = 196 J$