Vance list the multiples of an even one digit number. Which of these numbers could not be in Vance’s list 2, 33..,50,98

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

33 is odd, so cannot be a multiple of an even number.

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HELP PLS this is my last question

Depth d (in feet) of a river can be modeled by the equation d=−0.25t2+1.7t+3.5, where 0≤t≤7 and t is the time (in hours) after a heavy rain begins. When is the river 6 feet deep?

Answers

Answer:

The river is 6 feet at two times, 2.15 hours after the rain and 4.65 hours after the rain.

Step-by-step explanation:

We are given the following in the question:

$d=-0.25t^2+1.7t+3.5$

$0\leq t\leq 7$

where, d is the depth of river in feet and t is time in hours after a heavy rain.

We have to find the number of hours for which the depth of river is 6 feet.

Putting d = 6 in the equation, we get,

$6=-0.25t^2+1.7t+3.5\n\Rightarrow +0.25t^2-1.7t+2.5 = 0\n\text{Using quadratic formula}\n\n\Rightarrow t = (1.7\pm √((-1.7)^2-4(0.25)(2.5)))/(2(0.25))\n\nt\approx 4.65, 2.15$

Thus, the river is 6 feet at two times, 2.115 hours after the rain and 4.65 hours after the rain.

The attached image shows the graph.

In the fraction 5/8 what is the term used to designate the5?

Answers

5 = numerator
--
8 = denominator

you can remember this by remembering that denominator is going to be down
both with a d lol

The number on the top, which in this example is 5
Is called the Numerator

$(x)/(y)$
x is the numerator
y is the denominator

Which should be calculated first to solve this story problem? Dave has had a gym membership for 10 weeks. He goes to the gym 5 times a week. Each visit, he exercises for 1.75 hours. He spends 0.5 hours on the treadmill and the rest he spends on the stationary bicycle.

How much time does Dave spend on the stationary bicycle in a week?

A.
the total number of hours Dave spends on the stationary bicycle each visit

B.
the total number of hours Dave spends on the treadmill each month

C.
the total number of times Dave spent exercising in 10 weeks
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Answers

the answer would be a because of the time he is at the gym just add and subtract but the answer is a

A-b=4 and a+b=6 find a²+b² and ab

Answers

Answer:

...a-b=4

a+b=6

→2a=10

→a=10/2 =5

we calculate b:

a-b=4

5-b=4

-b=4-5

b=1

→a=5; b=1

a²+b² = 5²+1² = 25+1 = 26

ab =5*1 = 5

I need help

what is the function of this graph i cant figure it out

Answers

if you have covered function tranformations

is an exponential function, likely something like $y =2^x$ but shifted upwards by 3 units and with a coefficient multiplying "x" something like "2"

so... try graphing in your calculator $y = 2^(2x)+3$

Evaluate 3{5 + 3[10 + 4 · 8]}

Answers

3 {5 + 3[10 + 4.8]}
3 {5 + 3[ 14.8 ]}
3 {5 + 44.4}
3 {49.4}
148.2

Parentheses first lets do 10 + 4 * 8; Using order of operations, you know we do multiplication before addition so 4*8 = 32, now you can do 32+10 to get 42. Now the equation is 3{5 + 3(42)}, Now remember you do multiplication before addition so you distribute the 3 to the 42 to get 126. The new equation is 3(5+126) Now remember do the parentheses first, 126 + 5 = 131. Now distribute the 3; 3(131) = 393

Answer: 393 :)

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