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4 years ago

12

Isabella and Madeline share a bag of cherries. if isabella eats 25% of the cherries and there are 76 cherries in the bag, how ma

ny cherries did isabella eat?

1 answer:

netineya [11]4 years ago

4 0

Answer:

19

Step-by-step explanation:

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X-2y+z=2<br> bx+ay=3<br> -2y+z=-4<br> Choose appropriate values for a and b

jonny [76]

Answer:

Attached

Step-by-step explanation:

Just for your reference, this question will get unlimited number of solutions, attached is a few examples I calculated from Excel. Have fun to pick one or create one to be your favorite.

8 0

3 years ago

Ming-Li spent $15 at the movies. She then earned $30 babysitting. She spent $12 at the bookstore. She now has $18 left. How much

liq [111]

$21 I believe (it's 1 am where I am so I'm not 100% sure but I think it's correct)

5 0

3 years ago

The lengrh of a rectangle is represented by the function L(x) = 5x. The width of that same rectangle is represented by the funct

MrRissso [65]

Step-by-step explanation:

just multiply the 2 together to get the area

it would just be

$(5x) \times (2{x}^{2} - 4x + 13)$

use the distributive property

$10 {x}^{3} - 20 {x}^{2} + 65$

unless you want to simplify the answer, this would be the answer

simplified, it would be

$5(2{x}^{3} - 4 {x}^{2} + 13)$

7 0

2 years ago

H(x)=x^2-1 what is the average rate of change of h over the interval −3≤x≤−1

Allisa [31]

$slope = m = \cfrac{rise}{run} \implies \cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby \begin{array}{llll} average~rate\\ of~change \end{array}\\\\[-0.35em] \rule{34em}{0.25pt}\\\\ h(x)=x^2-1 \qquad \stackrel{-3\leqslant ~~x~~\leqslant -1}{\begin{cases} x_1=-1\\ x_2=-3 \end{cases}}\implies \cfrac{h(-3)-h(-1)}{-3-(-1)} \\\\\\ \cfrac{[(-3)^2-1]~~ -~~[(-1)^2-1]}{-3+1}\implies \cfrac{8~~-~~0}{-2}\implies -4$

7 0

2 years ago

Find all values of x that are NOT in the domain of g.

tia_tia [17]

Answer:

x=2,-2 are NOT in the domain of given function

Step-by-step explanation:

The domain consists of all the values of input that doesn't make the result approach to infinity. As the given function is a rational function, division by zero will lead to infinity so we have to find the numbers which will make the denominator equal to zero.

So,

putting the denominator equal to zero

$x^2-4 = 0\\x^2 = 4\\\sqrt{x^2} = \sqrt{4}\\x = 2, -2$

X=2 and x=-2 will make the denominator zero and the function will lead to infinity so

x=2,-2 are NOT in the domain of given function ..

4 0

3 years ago