3 years ago

Zeke drove 346 miles in 8 hours find the unit rate and rate

Mathematics

2 answers:

aalyn [17]3 years ago

6 0

..................................

pashok25 [27]3 years ago

3 0

Answer:

he drove 43.25 miles per hour

Step-by-step explanation:

you have to divided miles by hours so 346/8= 43.25mph

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Four times the sum of 8 and some number is 4. What is the number?

Lunna [17]

Answer:

$\Huge \boxed{\mathrm{-7}}$

$\rule[225]{225}{2}$

Step-by-step explanation:

Let the number be x.

$4(x+8)=4$

Dividing both sides by 4,

$x+8=1$

Subtracting 8 from both sides,

$x=-7$

The number is -7.

$\rule[225]{225}{2}$

3 0

3 years ago

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If 4.3 plus 1.1 times a number equals the sum of the number and 37.6 what is the number

podryga [215]

4.3 + 11*x = x + 37.6

x = 333

6 0

3 years ago

Uzanne can work 10 math problems in 15 minutes. How many can she work in an hour and a half?

jeyben [28]

1 and half hour
= 60 minutes+ 30 minutes
= 90 minutes

Now,

Uzanne need 15 minutes to do 10 problems
Uzanne need 1 minute to complete 10/15 problems

Uzanne need 90 minutes to do
= (10/15)*90
=(2/3)*90
=2*30
=60 problems

4 0

4 years ago

A binomial probability experiment is conducted with given parameters. Compute the probability of x successes in the n independen

Andrews [41]

Answer:

0.044

Step-by-step explanation:

n=9,p=0.9, x =6.

Apply Binomial probability we get

Sum P(x)=C(n,x) $p^{x} (1-p)^{n-x}$ for x=6

Putting in the formula ,

we get

P(x) = C(9,6) $0.9^{6} 0.1^{3}$

84 X 0.531441 X 0.001

= 0.044

7 0

4 years ago

The height of a box is 7 the length is three inches more than the width find the volume is 126

babunello [35]

Answer:

<h2>answer c: 10</h2>

Step-by-step explanation:

v=H*W*L

280=7*W*(6+W)

280=42W+7W^2

40=6w+w^2

W^2+6W-40=0

(W-4)(W+10)=0

W=4

We can only use positive results

L=6+W

L=4+6=10

=10

6 0

3 years ago