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Arada [10]
3 years ago
8

Intr-o tabara scolara,s-au consumat 59 de litri de lapte la micul dejun,3 litri pentru prepararea piureului si de 3 ori mai puti

ni litri pentru prepararea unor biscuiti de cat pentru piurie.Afla cati litri au mai ramas din cei 65 de litri de lapte care s-au adus la bucataria taberei.
Mathematics
1 answer:
Assoli18 [71]3 years ago
4 0
3 secunde stânga problema ta. Dacă ne sustragem 59 6 și 65 ar fi puțin 3 ori da 3. Ne pare rău dacă nu ați înțeles bine ceea ce am spus, dar eu nu vorbesc limba română sau vorbești
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Which of the following values of y make the inequality y < -4 true
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Interval notation(-infinitive, -4)

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3 years ago
Please help quick!! <br> Given ΔΡHS &amp; ΔCNF, find the values of x, y, and z.
valkas [14]

Answer:

x=24, y=10, z=17

Step-by-step explanation:

We know that \Delta PHS\cong\Delta CNF.

Then by CPCTC, ∠P≅∠C, ∠H≅∠N, and ∠S≅∠F.

Therefore, let’s solve for each of the angle relations.

∠P≅∠C:

We know that ∠P is 36°. ∠C is (4z-32)°. Therefore:

36=4z-32

Solve for z:

\begin{aligned}36&=4z-32\;\;\; \text{Add 32 to both sides}\\68&=4z\;\;\;\;\;\;\;\;\;\;\;\text{Divide both sides by 4}\\17&=z\end{aligned}

So, the value of z is 17.

∠H≅∠N

∠H is (6x-29) and ∠N is 115. So:

6x-29=115

Solve for x:

\begin{aligned} 6x-29&=115\;\;\;\;\;\;\text{Add 29 to both sides}\\6x&=144\;\;\;\;\;\;\text{Divide both sides by 4}\\\ x&=24\end{aligned}

Therefore, the value of x is 24.  

∠S≅∠F

We will need to find ∠S.

We already know that ∠P is 36.

∠H will be (6x-29). Substitute 24 for x to acquire: (6(24)-29)=144-29=115.

A triangle always totals 180°. Therefore, 115+36+∠S=180 or 151+∠S=180.

Therefore, ∠S=29.

∠F is (3y-1). So:

29=3y-1

Solve for y:

\begin{aligned} 29&=3y-1\;\;\;\;\;\text{Add 1 to both sides}\\ 30&=3y\;\;\;\;\;\;\;\;\;\;\text{Divide both sides by 3}\\ 10&=y\end{aligned}

Therefore, the value of y is 10.

So, x=24, y=10, and z=17.

And we are done!

3 0
3 years ago
ace bike rentals rents bikes for $28 per day. Renters can keep the bike for 8 hours. Bart's bikes rents bikes for $30 per day. R
lyudmila [28]

Bart company charges a lower rate. It is lower by rate $ 0.5 per hour

<h3><u>Solution:</u></h3>

Given that Ace bike rentals rents bikes for $28 per day. Renters can keep the bike for 8 hours

Also given that Bart's bikes rents bikes for $30 per day. Renters can keep the bike for 10 hours

To find: company that charges lower rate

Let us find the hourly rate of Ace and Bart

\text {hourly rate }=\frac{\text { Rental price }}{\text { total time in a day }}

<em><u>Hourly rate of Ace company:</u></em>

Rental price = $28

total time in a day 8 hours

\text {hourly rate }=\frac{28}{8}=3.5

So the hourly rate of Ace company is $ 3.5 per hour

<em><u>Hourly rate of Bart company:</u></em>

Rental price = $ 30

total time in a day 10 hours

\text {hourly rate }=\frac{30}{10}=3

So the hourly rate of Bart company is $ 3 per hour

<em><u>Comparing hourly rate of both companies</u></em>

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Bart company is $ 3 per hour

Bart company < Ace company

3 < 3.5

Thus bart company charges a lower rate

<h3><em><u>How much lower?</u></em></h3>

hourly rate of Ace company - hourly rate of Bart company = 3.5 - 3 = 0.5

So, it is lower by rate $0.5 per hour

6 0
3 years ago
Which statements include two quantities in the real world that are additive inverses?
ASHA 777 [7]
I would think that it would be the first and third
3 0
3 years ago
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Katarina [22]

Answer:

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3 0
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