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babymother [125]
3 years ago
10

I need help asap :):):):

Mathematics
2 answers:
Airida [17]3 years ago
8 0

Answer:

3x5-3x2

Step-by-step explanation:

d1i1m1o1n [39]3 years ago
7 0

Answer:

B) 3 × 5 - 3 × 2

Step-by-step explanation:

When you distribute you are multiplying the number in front of the parenthesis by the numbers inside.

You might be interested in
(please help last question) which of the following statements are true (brainliest)
puteri [66]

Answer:

Both have a negative slope.

Step-by-step explanation:

Because:

The equation has a negative slope (-2).

The table has a negative slope (-0.5):

(0,3). (2,2)

(X1, y1). (X2, y2)

M = y2-y1

_____

X2- x1

M = 2 - 3 -1

_____ = ___

2-0 2

Hope this helps! Have a great day!

7 0
2 years ago
I need help on these questions please! Quickly too
ale4655 [162]
By definition, a rational number is a precise number: or in other terms, we know its exact value. Irrational numbers are number that has endless digits on the right of the decimal points: in other terms, we can't know its exact value.

First question:
√2.5 = 1.58113.... It's endless, so irrational.
-√64 = -8 it's a whole number, so rational.
4√5 = 8.94427.... Endless, so irrational.
√14.4 = 3.7947... Endless so irrational.

So -√64 is the rational number.

Second:
7.885 is rational because has a defined number of digits after the decimal points.
π² = 9.8696.... Endless, so irrational.
√0.144 = 0.3794.... Endless, so irrational
√91 = 9.5393.... Endless, so irrational

So 7.885 is the rational number.

Third:
-7.8 bar: You can notice the line over the 8, this means that there's an infinite number of 8 after the decimal points. So it's 7.88888888888.... Endless, so irrational.
√25 = 5, whole number so rational
25.8125 Has a definite number of digits after the decimal point, so is rational.
√0.025 = 0.1581... Endless, so irrational.

So -7.8 bar and √0.025 are irrational.

Fourth:
π= 3.1415... Endless, so irrational.
1.425 has a definite number of digits after the decimal point, so rational.
√50 = 7.0710.... Endless, so irrational
√-4 Doesn't exist. Finding the square root of a negative number is mathematically impossible.

So 1.425 is the rational number.

Fifth:
√10 = 3.1622..... Endless, so irrational.
√100 = 10, a whole number so rational.
√1000 = 31.6227..... Endless, so irrational
√100000 = 316.2277...... Endless, so irrational.

√100 is the rational number.

Hope this helps!! :D And I hope you understood the lesson a bit more xD
5 0
3 years ago
Answer please? a girl needs help like right now:))
Stells [14]

Answer:

No

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Sarah's surfboards charges a fee of $60 to rent a surfboard and then $10.50 per hour. Sally's surfboards does not charge a fee,
Zanzabum

Answer:

12 hours

Step-by-step explanation:

Let the number of hours be represented as h.

Sarah's surfboards charges a fee of $60 to rent a surfboard and then $10.50 per hour.

Mathematically ,

60 + 10.50h

Sally's surfboards does not charge a fee, but they cost $15.50 per hour

Mathematically,

15.50h

Equating both equations together

60 + 10.50h = 15.50 h

Collect like terms

60 = 15.50h - 10.50h

60 = 5h

h = 60/5

h = 12 hours

Therefore, the number of hours that the cost will be the same to rent a surfboard for each shop is 12 hours.

7 0
3 years ago
Find the sine of both angle A and angle B.
olchik [2.2K]
Sin = opposite/hyp

Sin A = 10/26   = 5/13

Sin b = 24/26 = 12/13

The answer is option A

Hope this helps



6 0
3 years ago
Read 2 more answers
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