HELP PLSSS !!! CAROLINE BOUGHT SNACKS FOR HER TEAM’S PRACTICE. SHE BOUGHT A BAG OF CHIPS FOR $2.39….

Mathematics

2 answers:

Salsk061 [2.6K]3 years ago

8 0

Answer:

Step-by-step explanation:

Korolek [52]3 years ago

7 0

I think the answer is D I’m not sure

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Please help me solve this question im having trouble!!!!!

Marizza181 [45]

Answer:

$To \: express \: this \: as \: an \: equation, \: \\ let \: L \: represents \: \: length \: and \: w \: = \: width\: \\ The \: width \: of rectangle \: is \: 3 \: feet \: less \: than \: \\ 5 \: times \: its \: length. \: This \: tells \: us \: that \: 3 \: \\ will \: be \: subtracted \: from \: 5l. \: So,\\ w \: = 5L \: - \: 3. \: \\ \\ Next \: the \: area \: is \: 14 \: and \: since \: the \: area \: of \: a \: rectangle \: is \\ \: length \times \: width, \: it will \: be \: expressed \: as \: \\ 14 \: = L \times w \: since \: w \: = (5L - 3) \\ 14 = L \times (5L - 3) \\ 14 = 5L {}^{2} - 3L \\ 5L {}^{2} - 3L - 14 = 0 \\ factor \: the \: polynomial \\ (5L + 7)(L - 2) = 0 \\ L = \frac{ - 7}{5} \: or \: 2 \: but \: the \: measurement \: cannot be \: \\ negative \: so \: we \: will \: consider \: 2 \: instead \: \\ \\ L = 2 ft \ \\\\ to \: find \: width \: \\ w \: = \: 5L - 3 \\ w \: = \: 5(2) - 3 \\ w \: = \: 10 - 3 \\ w = > 7 \: feet$

8 0

3 years ago

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How do you simplify -5x-x+14x-3x

jolli1 [7]

You'd have no problem simplifying that expression if it said

-(5 cows) - (1 cow) + ( 14 cows) - (3 cows) .

You'd just add up the cows, and simplify the expression to say

5 cows .

When you see an expression that talks about 'x's instead of cows,
you get scared. It has something to do with algebra and math and
all that stuff, so you freeze.

Relax. Just make each 'x' a cow, and suddenly it almost solves itself.

4 0

3 years ago

Read 2 more answers

PLS HELP MEEEEE<br><br> And please SHOW YOUR WORK

vfiekz [6]

$- 13.8 = \frac{u}{5} - 1.3$