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crimeas [40]
4 years ago
12

Estimate the answer by rounding to the nearest tenth 3.07442 + 1.352

Mathematics
1 answer:
Aliun [14]4 years ago
7 0
3.10+1.40= 4.50 nearest tenth

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MARQUE UN PUNTO Y TRACE VARIAS RECTAS QUE PASEN POR EL.¿QUE CONCLUYE?
VladimirAG [237]
The generic equation of a line is:
 y-yo = m (x-xo)
 Where,
 (xo, yo): It's an ordered pair either.
 m: is the slope of the line.
 We observe that for a point (xo, yo) infinite lines with different slope m can pass.
 Answer:
 
The conclusion is that for the ordered pair (xo, yo) can pass infinite lines that satisfy:
 
y-yo = m (x-xo)
8 0
3 years ago
A store sells toys in bulk. It sells wooden blocks for $5 a pound and plastic bricks for $10
steposvetlana [31]

Answer:

4 pounds of wooden blocks and 6 pounds of plastic bricks should be used.

Step-by-step explanation:

Let w = wooden block

Let p = plastic bricks

<u>Given the following data;</u>

Price of wooden block per pounds = $5

Price of plastic brick per pounds = $10

*Translating the word problem into an algebraic equation*

For the 10-pound mixture;

w + p = 10 .........equation 1

For the $80 mixture;

5w + 10p = 80 ..........equation 2

Solving the linear equation by using the substitution method;

Making w the subject in equation 1:

w = 10 - p .......equation 3

Substituting "w" into equation 2;

5(10 - p) + 10p = 80

Simplifying the equation, we have;

50 - 5p + 10p = 80

50 + 5p = 80

Rearranging the equation, we have;

5p = 80 - 50

5p = 30

p = \frac {30}{5}

p = 6 pounds (For the plastic brick).

To find w;

Substituting "p" into equation 3;

w = 10 - 6

w = 4 pounds (For the wooden block).

4 0
3 years ago
Find the area of a triangle with a base (b) of 7 feet and a height (h) of 12 feet.
siniylev [52]

Answer:


Step-by-step explanation:

Area = 1/2 × base × height

Base(b) = 7 feet

Height(h) = 12 feet

Area = 1/2 × 7 × 12 = 7 × 6 = 42 feet²

6 0
3 years ago
The first 3 terms of<br> n+5 <br>3n -1​
postnew [5]

Answer:

3n^2+7n-5

Step-by-step explanation:

Distribute n to 3n and -1

Distribute 5 to 3n and -1

then you have 3n^2-n+8n-5

Use the like terms principle to get

3n^2+7n-5

4 0
3 years ago
Dont understand this question it confucing
Juliette [100K]
So, let's see, Amber made 3 penalty shots off 4, now, 3 out of 4 is 75% or 3/4.  So she's 75% of the time effective.

Lindsay has made 4 out of 6 penalty shots, 4/6 or 2/3, that's about 66% effectiveness.

Li has made 2 out of 3 penalty shots, that's 2/3, that's about the same 66% effectiveness.

so, which fraction is highest 3/4, or 2/3 or 2/3?  neverminding the percentages, let's multiply all by the LCD, let's see from 4, and 3, and 3, the LCD is 12.

so, let's multiply all of them by 12, to get rid of the denominator, to see which is highest.

\bf 12\cdot \cfrac{3}{4}\implies \boxed{9}\qquad \qquad 12\cdot \cfrac{2}{3}\implies \boxed{8}

notice, Amber has the higher effectiveness rate, to make it through in the penalty kick.
8 0
4 years ago
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