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FinnZ [79.3K]
3 years ago
8

What is the value of a in this linear system?

Mathematics
1 answer:
Sergio [31]3 years ago
5 0

Answer:

Step-by-step explanation:

C

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Jerry bought 4.2 lbs of jelly beans for $3.98 per lb. Sales tax is 6%. What was the total amount Jerry paid for the jelly beans?
Illusion [34]

Answer:

4.2 x 3.98 = 16.716

6% Sales tax = 1.06

16.716 x 1.06

About 17.72

4 0
3 years ago
Olivia picked 482 apples from the orchard’s largest apple tree. She divided the apples evenly into 4 baskets. How many apples ar
Verdich [7]

Answer:

120 with 2 left over

Step-by-step explanation:

482/4 equals 120.5 so each basket gets 120 and then .5+.5+.5+.5= 2 whole extra apples

7 0
3 years ago
Read 2 more answers
What is the distance between points  <br> (9, −7)<br> and  <br> (9, 4)<br> on a coordinate plane?
Alekssandra [29.7K]
The answer would be 11 because the x's 9 doesnt have to move because they're on the same point. If you take 7 away from -7 you get zero. Add 4 to that 7 and you get 11. Make sesnse?
Hope this helped!
6 0
4 years ago
A Galapagos cactus finch population increases by half every decade. The number of finches is
Angelina_Jolie [31]

Answer:

The number of fringes at d=-2 is given as 20.

Step-by-step explanation:

Question

A Galapagos cactus finch population increases by half every decade. The number of finches is modeled by the expression

,

where d is the number of decades after the population was measured. Evaluate the expression for d = −2

Given :

The number of  finches is modeled by the expression  :

⇒ 45\cdot1.5^d

where d is the number of decades after the population was measured.

To evaluate the expression for d=-2

Solution:

In order to evaluate the given expression to find the number of finches at d=-2, we will plugin -2 for d in the expression and simplify it.

Plugging in d=-2 in the expression:

⇒ 45\cdot 1.5^{-2}

Using negative exponent property. [a^{-x}=\frac{1}{a^x}

⇒ 45\cdot \frac{1}{1.5^2}

⇒ 45\cdot \frac{1}{2.25}

⇒ 20   (Answer)

Thus, the number of fringes at d=-2 is given as 20.

This means the number of fringes two decades ago was 20.

6 0
3 years ago
How does the graph of y=-3√2x-4 compare to the graph of y=-3√x-4?
kifflom [539]
<span>Assuming the graph is y=-3(√2x)-4 and y=-3√(x-4) the transformation would be:

</span><span>The graph is compressed horizontally by a factor of 2
x=1/2x'
</span>y=-3(√2x)-4 
y=-3(√x')-4 <span>

</span><span>moved left 4
x=x'-4
</span>y=-3(√x)-4 
y=-3(√x'-4)-4 
<span>
moved down 4
y=y'-4
</span>y=-3(√x-4)-4 
y'-4=-3(√x'-4)-4 
y'=-3(√x'-4)-4 +4
y'=-3(√x'-4)

Answer: C. <span>The graph is compressed horizontally by a factor of 2, moved left 4, and moved down 4.
</span>
6 0
3 years ago
Read 2 more answers
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