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Liono4ka [1.6K]
3 years ago
13

2j+7 how many solutions does this equation have

Mathematics
1 answer:
wolverine [178]3 years ago
5 0
None i couldn’t find
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Q is a whole number between 42.3 and 43.1 <br><br><br> A) q=42.1<br><br> B) q = 43.0<br><br> C) 43.4
Bogdan [553]
Answer is 

<span>B) q = 43.0

--------------------------------</span>
3 0
4 years ago
Please solve this question ASAP.
Igoryamba

Answer:

<h2>m∠QPR = 80°</h2>

Step-by-step explanation:

Look at the picture.

We know: the sum of the measures of the angles of the triangle is equal to 180 °.

Therefore

In ΔTQR we have the equation:

\alpha+\beta+130^o=180^o         <em>subtract 130° from both sides</em>

\alpha+\beta=50^o

In ΔPQR we have the equation:

2\alpha+2\beta+m\angle QPR=180^o

2(\alpha+\beta)+m\angle QPR=180^o

Substitute from the first equation

\alpha+\beta=50^o

2(50^o)+m\angle QPR=180^o

100^o+m\angle QPR=180^o            <em>subtract 100° from both sides</em>

m\angle QPR=80^o

6 0
4 years ago
Can someone help me I don’t get this
Lisa [10]
Oslo is colder than the other place listed above

4 0
3 years ago
On a certain hot​ summer's day, 340 people used the public swimming pool. The daily prices are $1.25 for children and $2.25 for
UkoKoshka [18]

Answer:

Number of children = x = 88

Number of Adults = y = 252

Step-by-step explanation:

Let us represent:

Number of children = x

Number of Adults = y

On a certain hot​ summer's day, 340 people used the public swimming pool.

Hence:

x + y = 340..... Equation 1

x = 340 - y

The daily prices are $1.25 for children and $2.25 for adults. The receipts for admission totaled $677.00.

$1.25 × x + $2.25 × y =$ 677

1.25x + 2.25y = 677..... Equation 2

Let us substitute: 340 - y for x in Equation 2

1.25(340 - y) + 2.25y = 677

= 425 - 1.25y + 2.25y = 677

Collect like terms

- 1.25y + 2.25y = 677 - 425

1y = 252

y = 252

Solving for x

x = 340 - y

x = 340 - 252

x = 88

Therefore the number of children and adults that swam at the public pool that​ day are: 88 children and 252 Adults.e

3 0
3 years ago
Which fraction is equivalent to 4 over negative 9?
Neporo4naja [7]
A is correct.  Just move the negative sign from in front of the 9 and place it in front of the 4.
7 0
3 years ago
Read 2 more answers
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