3 years ago

I need help on this question

Mathematics

2 answers:

antoniya [11.8K]3 years ago

6 0

The correct answer is the third one, both a and b.

jekas [21]3 years ago

6 0

The answer is A because if you split it in half it would be equal

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What is an equatiom for the line with slope 2/3 and y-intercept 9

earnstyle [38]

Answer:

y = (2/3)x + 9

Step-by-step explanation:

Equation of a straight line is y = mx + b. You are trying to finish the equation.

Note that:

m = slope = 2/3

b = y-intercept = 9

Plug in the corresponding numbers to the corresponding variables:

y = mx + b --> y = (2/3)x + 9

y = (2/3)x + 9 is your equation.

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3 years ago

The square of a certain negative number is equal to five more than one-half of that number. What is the number?

Mamont248 [21]

Answer:

-2

Step-by-step explanation:

x^2 = 5 + (1/2)x

x^2 - 0.5x - 5 = 0

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2 years ago

There are fewer than 30 students in the A-level mathematics class. One half of them

masya89 [10]

The number of students that play hockey is 7

The proportion is given as:

$Piano =\frac 12$

$Hockey =\frac 14$

$School\ Play =\frac 17$

The total number of students must be a multiple of 2, 4 and 7 less than 30;

The only multiple of 2, 4 and 7 less than 30 is 28.

The number of students that play hockey is the product of 28 and the proportion that plays hockey.

So, we have:

$Hockey =\frac 14 \times 28\\$

Multiply

$Hockey =7$

Hence, 7 students play hockey

Read more about common multiples at:

brainly.com/question/290451

7 0

3 years ago

A 12 ft ladder reaches 9ft up a wall. What is the angle formed between the ladder and the ground?

Luden [163]

It would be 25 degrees

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There are 12 girls and 18 boys in a class what is the largest number of groups they can be split into and have the same number o

leonid [27]

6 bc there would be 2 girls and 3 boys on each team

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