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3 years ago

HELP I ONLY HAVE 15 MIN HURRY numbers 9 and 10

Mathematics

2 answers:

Inessa05 [86]3 years ago

5 0

Answer:

| Fraction | Decimal | Percentage |

| 9/2 | 4.5 | 450% |

| 7/10 | .7 | 70% |

and:

ab - bc = 4(5)-4(3)

20 - 12 = 8

Sladkaya [172]3 years ago

4 0

Answer:

$4 \times \frac{1}{2 }$

B) 4.5

C)0.7

D) idk

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zepelin [54]

Answer:

The required equation is: $\mathbf{f(x)=\frac{3}{4}x-\frac{29}{4}}$

Step-by-step explanation:

We need to find equation from the table given

x f(x)

3 -5

7 -2

11 1

15 4

We can write equation in the form of $y=mx+b$

where m is slope and b is y-intercept.

Finding Slope

We can used the slope formula to find slope: $Slope=\frac{y_2-y_1}{x_2-x_1}$

From the table we have: $x_1=3, y_1=-5, x_2=7, y_2=-2$

Putting values and finding slope

$Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{-2-(-5)}{7-3} \\Slope=\frac{-2+5}{7-3}\\Slope=\frac{3}{4}$

So, we get slope $m=\frac{3}{4}$

Now, finding y-intercept

Using the slope $m=\frac{3}{4}$ and point (3,-5) we can find y-intercept

$y=mx+b\\-5=\frac{3}{4}(3)+b\\-5=\frac{9}{4}+b\\b=-5-\frac{9}{4}\\b=\frac{-5*4-9}{4}\\b=\frac{-20-9}{4}\\b=\frac{-29}{4}$

The y-intercept is $b=\frac{-29}{4}$

So, the equation having slope $m=\frac{3}{4}$ and y-intercept $b=\frac{-29}{4}$ will be:

$y=mx+b\\y=\frac{3}{4}x-\frac{29}{4}$

The required equation is: $\mathbf{f(x)=\frac{3}{4}x-\frac{29}{4}}$

6 0

3 years ago

Help with #17 please

ohaa [14]

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3 years ago

Which rational number is NOT greater than point A?

kramer

Step-by-step explanation:

) Every positive rational number is greater than 0.

(ii) Every negative rational number is less than 0.

(iii) Every positive rational number is greater than every negative rational number.

(iv) Every rational number represented by a point on the number line is greater than every rational number represented by points on its left.

(v) Every rational number represented by a point on the number line is less than every rational number represented by paints on its right

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3 years ago

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kobusy [5.1K]

Answer:

people liked online better

Step-by-step explanation:

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3 years ago

Read 2 more answers

3 bananas cost $0.99. At this rate, how much do 5 bananas cost?

Ierofanga [76]

Answer:

$1.65

Step-by-step explanation:

first i divided 0.99 by 3, equalling 0.33. i then multiplied 5 times 0.99 to equal 1.65.

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3 years ago

HELP I ONLY HAVE 15 MIN HURRY numbers 9 and 10​

HELP I ONLY HAVE 15 MIN HURRY numbers 9 and 10