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2 years ago

Select the correct answer.

Mathematics

1 answer:

asambeis [7]2 years ago

3 0

Answer:

y=3x+4

Step-by-step explanation:

The equation of the straight line that passes through (-3,-5) with slope 3 can be found using

$y = mx + b$

where m=3 is the slope .

We substitute the slope to get:

$y = 3x + b$

We substitute the point to find b.

$- 5 = 3( - 3) + b \\ - 5 = - 9 + b \\ b = - 5 + 9 = 4$

The equation of the straight line is:

$y = 3x + 4$

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Plz help! anybody. i'll mark brainliest 20 points!!!!

lisabon 2012 [21]

(1) Snow fall in last week = $3 \frac{1}{2}$ inches

Snow fall in today= $5 \frac{3}{4}$ inches

Let us first change mixed fraction to improper fraction.

$\begin{aligned}&3 \frac{1}{2}=\frac{7}{2}\\&5 \frac{3}{4}=\frac{23}{4}\end{aligned}$

Now, make the denominators same.

$3 \frac{1}{2}=\frac{7}{2}=\frac{7 \times 2}{2 \times 2}=\frac{14}{4}$ , $5 \frac{3}{4}=\frac{23}{4}$

Now, find the difference between 14/4 and 23/4.

$\frac{23}{4}-\frac{14}{4}=\frac{9}{4}=2 \frac{1}{4}$

So, compared to last week $2 \frac{1}{4}$ more inches of snow fell today.

(2) Given three times a number, minus nine, equals six times six, divided by four.

Let a number be X.

3X – 9 = 6 × 6/4

(3) To solve the equation:

3X – 9 = 6 × 6/4

3X – 9 = 36/4

3X – 9 = 9

3X = 18

X = 6

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3 years ago

Multiply the polynomials.<br> (x-6)(x^2+2x-4)

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I wrote down the answer cuz it’s just easier to read that way:)

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2 years ago

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Can commas be used to separate the ones, tens and hundreds

zloy xaker [14]

Answer:

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Step-by-step explanation:

.................................

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3 years ago

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Andreas93 [3]

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2 years ago

Tim has a savings account with the bank. The bank pays him 5% per year. He has $5,900 and wonders when it will reach $6,500. Whe

OLga [1]

Answer:

If interest is calculated yearly, it will take Tim approximately 6 years

Step-by-step explanation:

For interest compounded continuously we use this formula

A = pe^rt

Where A = Amount in future ($5,300)

P = Principal amount ($5,000)

r = interest rate (1% or 0.01)

t = time

Now we put the values

5300 = 5000e(0.01)t

1.06 = Ve(0.01)t

㏑1.06 = 0.01t

t = ㏑(2) ÷ 0.01

t = 5.82 years rounded to 6 years

If interest is calculated yearly (simple interest)

n = ( 1.06-1 ) / 0.01 = 6 years.

If interest is calculated yearly, it will take Tim approximately 6 years.

<em>Source: brainly.com/question/8501594</em>

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3 years ago