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strojnjashka [21]
3 years ago
7

What is the result when the number 90 is increased by 50%?

Mathematics
2 answers:
Kryger [21]3 years ago
7 0
135 think of if you had 90 dollars and you increased it by 50% you would then have $135
Arada [10]3 years ago
6 0
$135 because half of 90 is 45 so you add 45 to 90
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{(y=7x+6),(4x-3y=16):}
umka2103 [35]

Answer:

(−2, −8)

Step-by-step explanation:

Write the problem as a mathematical expression.

y = 7x + 6

4x − 3y = 16

Replace all occurrences of y in 4x − 3y = 16 with 7x + 6. 4x − 3 (7x + 6) = 16

y = 7x + 6

Simplify 4x − 3 (7x + 6).

−17x − 18 = 16

y = 7x + 6

Solve for x in the first equation.

Move all terms not containing x to the right side of the equation.

−17x = 34

y = 7x + 6

 Divide each term by −17 and simplify.

x = −2

y = 7x + 6

Replace all occurrences of x with −2 in each equation.

Replace all occurrences of x in y = 7x + 6 with −2. y = 7 (−2) + 6

x = −2

Simplify 7 (−2) + 6.

y = −8

x = −2

The solution to the system is the complete set of ordered pairs that are valid solutions.

(−2, −8)

The result can be shown in multiple forms.

Point Form:

(−2, −8)

Equation Form:

x = −2, y = −8

4 0
2 years ago
Read 2 more answers
Use the number line below to help you determine which of the following expressions is true.
hjlf

Answer:

  (b)  5.04 < 5.4

Step-by-step explanation:

The pointed end of the < symbol points to the smaller (lesser) number or expression. Here, the number 5.04 is less than 5.4, so the appropriate choice is ...

  5.04 < 5.4

5 0
2 years ago
Type the ordered pair that is the solution to these equations.<br><br> 2x + 5y = -9<br> 3x - 4y = -2
victus00 [196]
The ordered pair that is the solution to these equations is (-2,-1)

work:

2(-2)+5(-1)=-9
3(-2)-4(-1)=-2
7 0
3 years ago
Please help don't ignore
Nat2105 [25]

Answer:

a×10⁰ where (a the number) should always be less than 10

hope it helps :)

3 0
3 years ago
If a researcher needs a sample that is representative of the population they are studying, they could utilize a _______.
vova2212 [387]

The researchers could utilize a probability sample.

Meaning of a Probability Sample

Every member of a population must have an equal chance of being chosen for a study in order for a sample to be considered a probability sample, and the researcher must be aware of this likelihood. The most typical type of sampling used in public opinion research, election polling, and other studies whose findings will be generalized to a larger population is probability sampling in which probability samples are made use of.

Probability Sample as the Representative of Population Sample

Here, a sample that qualifies for a representative of the population the researchers are studying, must consist of members having equal chances to be chosen for the study. Thus, a probability sample is the best representative of their study population.

Learn more about probability sample here:

brainly.com/question/28016369

#SPJ4

8 0
2 years ago
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