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Lostsunrise [7]
3 years ago
8

Can you help me evaluate the expression: 2*(3+1)+2

Mathematics
2 answers:
levacccp [35]3 years ago
8 0


2*(3+1)+2=

2*4+2=

8+2=

=10

Tema [17]3 years ago
6 0
2*3 + 2*1 + 2 = 6 + 2 + 2 = 8 + 2 = 10 ;
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Answer:

$45 dinner = $9

$1 dinner = 45/9= 5

$60 dinner = 60/5=12

Hence he got $12 for a $60 dinner

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3 years ago
Planes A and B intersect in line s. If point V is a point on line s, then it lies on: plane A only plane B only both plane A and
kirill [66]

Answer:

  both plane A and B

Step-by-step explanation:

All the points on the line of intersection lie in both planes. V lies in both plane A and plane B.

4 0
3 years ago
The sum of a number and its reciprocal is 2whole number 1 over 6. Find that number​
notsponge [240]

Answer:

  2/3 or 3/2

Step-by-step explanation:

Let x represent the number. The given relation is ...

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The number is 2/3 or its reciprocal, 3/2.

6 0
2 years ago
Rachel is a lunchroom supervisor at West School. The children eat lunch at 15 long tables. When all tables are used, 240 childre
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5 0
3 years ago
Read 2 more answers
Solve the equation. Round to the nearest hundredth. Show work.
Burka [1]

Answer:

x=-0.75

Step-by-step explanation:

The given equation is

4^{-5x-7}=6^{2x-1}

We take logarithm of both sides to base 10.

\log(4^{-5x-7})=\log(6^{2x-1})

(-5x-7)\log(4)=(2x-1)\log(6)

We expand the brackets to get;

-5x\log(4)-7\log(4)=2x\log(6)-\log(6)

Group similar terms;

-7\log(4)+\log(6)=2x\log(6)+5x\log(4)

-7\log(4)+\log(6)=(2\log(6)+5\log(4))x

\frac{-7\log(4)+\log(6)}{(2\log(6)+5\log(4))}=x

x=-0.752478

To the nearest hundredth.

x=-0.75

3 0
3 years ago
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