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3 years ago

I need help with these questions.

Mathematics

2 answers:

mixer [17]3 years ago

3 0

Answer:

1. b=6

2.b=8

3.a=30

I can't get the correct answer for 4 and 5 hope what I've got so far helps.

Step-by-step explanation:

1. 8^2+b2=10^2

64+b2=100

b2=36

then square to get

b=6

2. 15^2+b2=17^2

225+b2=289

b2=64

then square to get

b=8

3. a2+40^2=50^2

a2+1600=2500

a2=900

then square to get

a=30

I can't get the correct answer for 4 and 5 hope what I've got so far helps.

Over [174]3 years ago

3 0

Answer:

1=52yd 2=28yd3= 48yd mark me

Step-by-step explanation:

You might be interested in

Identify the function as a growth or decay function. y = (1/2)x

tangare [24]

Answer:

This would be a decay function.

Step-by-step explanation:

When a function is a growth function that means that it is growing but a decay function means that it is getting smaller.

8 0

3 years ago

Luis rides his bicycle 34 mile in 5 minutes, or 112 hour, along the bike trail. Assuming he rides at a constant rate, what is hi

artcher [175]

Answer:

$408\frac{miles}{hour}$

Step-by-step explanation:

we know that

To find the speed divide the total distance by the time

$\frac{34}{(1/12)}=34*12=408\frac{miles}{hour}$

3 0

3 years ago

If y varies inversely as the square of x and y=4 when x=5, find y when x is 2

Len [333]

need to kind K

Y=k x 1/x^2 = k/x^2

Find K when y=4 & x=5

Y=k/x^2 =

4=k/5^2=

4=k/25

K=4*25 =100

When x = 2

Y=100/2^2

Y=100/4

Y=25

5 0

3 years ago

I think it’s A but again i’m not sure.

Gnoma [55]

M∠BDC=half the arc it faces=1/2 of 54=27
BD is the diameter, so m∠C=90
m∠DBC=180-90-27=63

6 0

4 years ago

Y=_x+4<br> x + 2y =<br> 8<br> How many solutions dose this linear system have

jeyben [28]

Answer:

X=-1, y=4

Step-by-step explanation:

$y = x + 4 \\ x + 2y = 8 \\ = = = = = = = = = = = = \\ y - x = 4 \\ x + 2y = 8$

by using eliminating property

$3y = 12 \\ y = \frac{12}{3} = 4$

by substitution

X=-1

6 0

3 years ago