jasmine answered 19 out of 25 questions correctly on a quiz. about what percent of her answers were correct?

Mathematics

1 answer:

Marina86 [1]3 years ago

5 0

You divide 19 by 25 and then multiply by 100. The percent Jasmine got on her test is 76%.

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Sandy's orchard has only 4 apple trees for every 3 pear trees. She is wanting to plant enough avocado trees so that she has 2 av

LUCKY_DIMON [66]

<span>current ratio: 4 apple trees for every 3 pear trees. wants: 2 avocado trees for every 5 pear trees in the orchard. Sandy is planting 18 avocado trees so 2 avocado trees for every 5 pear trees =1 avocado trees for every 2.5 pear trees therefore if we have 18 avocado trees 18 x 2.5 = 45 pear trees 4 apple trees for every 3 pear trees 4/3 = 1.333 apple trees for every 1 pear tree therefore if we have 45 avocado trees 45 x 1.333 = 60 apple trees therefore ratio of avocado to apple trees = 18 : 60 18 : 60 = 9 : 30 = 3 : 10</span>

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Makovka662 [10]

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2 years ago

Read 2 more answers

14 less than 6 times a number

mestny [16]

Step-by-step explanation:

14 < 6×?

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therefore anything above 3 multiplied by 6 would be greater in value than 14

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2 years ago

Im confused can somebody help me please

ivann1987 [24]

well, we know the piece-wise function is $f(x)= \begin{cases} 7x+10&x < 0\\\\ 7x+20&x\geqslant 0 \end{cases}$

hmmm so what's f(-1), namely what is f(x) when x = -1?

well, when x = -1, hmm -1 is less than 0, so the subfunction that applies to that will be when "x" is less than 0, namely the part of 7x + 10, so we can say

f(-1) = 7(-1) + 10

f(-1) = 3

so hmm what's f(0) or namely, what's f(x) when x = 0?

well, what subfunction applies when x = 0? well, it has to be the subfunction with "x greater or <u>equals</u> to 0", x ⩾ 0, so then is 7x + 20

f(0) = 7(0) + 20

f(0) = 20.

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1 year ago