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Maru [420]
3 years ago
11

Solve the simultaneous equations: 5x+4y=5 2x+7y=29

Mathematics
1 answer:
OLga [1]3 years ago
3 0

Answer:

x=−3 and y=5

Step-by-step explanation:

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HELP PLEASE FOR BRAINLEIST ​
strojnjashka [21]

Answer:

First one is c because 3 1/2 - 1/2=3

Second one is also c because 0.9x2=1.8

And third one c is because 2 2/3:3/1=1 1/8

5 0
3 years ago
Recall that rational numbers are numbers that can be represented as the ratio, or fraction, of two integers. When expressed as d
fredd [130]

Answer:

Repeating

Terminating

Repeating

Repeating

Step-by-step explanation:

5 2/7 as improper fraction is 37/7 and it equals 5.28571428571 which makes it repeating because the numbers don't stop.

7/16 is equal to 0.4375 making it terminate because the numbers stop.

14 5/9 as an improper fraction is 131/9 and 131/9 is 14.5555555556 and that is a never ending pattern so it is repeating.

3/22 is equal to 0.13636363636 it is repeating because the numbers never stop.

3 0
1 year ago
A sandwich shop offers 4 different meats and 2 different cheeses. Suppose the sandwich shop offers 24 different meat-cheese sand
Sergio039 [100]

Answer:

Step-by-step explanation:

You would do this question like this.

4 meats * 2 cheeses * x breads = 24 different kinds of  sandwiches.

8x = 24

8x/8 = 24/8

x = 3

There are 3 different kinds of breads.

4 0
3 years ago
What is the completely factored form of f(x)=x3+5x2+4x−6?
Gre4nikov [31]
f(x)=x^3+5x^2+4x-6
f(-3)=(-3)^3+5(-3)^2+4(-3)-6=0\implies x+3\text{ is a factor of }f(x)

Synthetic division yields

-3  |  1   5   4   -6
.    |      -3  -6    6
- - - - - - - - - - - - -
.    |  1   2  -2    0

which translates to

\dfrac{x^3+5x^2+4x-6}{x+3}=x^2+2x-2

with remainder 0. Now by the quadratic formula,

x^2+2x-2=0\implies x=\dfrac{-2\pm\sqrt{2^2-4(1)(-2)}}2=-1\pm\sqrt3

and so

f(x)=x^3+5x^2+4x-6=(x+3)(x-(-1+\sqrt3))(x-(-1-\sqrt3))
3 0
3 years ago
Tanya polled boys and girls in her grade to determine how many prefer math to other subjects. Her results are shown in the table
worty [1.4K]

Answer:The answer is

D, the relationship is not proportional because 14/30 = 7/15 and 16/32 = 1/2

Step-by-step explanation:

8 0
3 years ago
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