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3 years ago

List the fractions and decimals in order from least to greatest...

2 answers:

6 0

In order to list them from least to greatest is by finding the smallest number first. Negative numbers are always less than positive, so -3/8 and -0.65 have to be ordered first. -3/8 or -0.38 is greater than -0.65, so -0.65 would be first. Then the next negative which is -0.65 comes next. the last two fractions are 2/4 or 1/2 or 0.5 and 5/16 or 0.31. 0.5 is greater than 0.31, so the order is -0.65, -3/8, 5/16, and 2/4. Hope this helps!

Sophia Cornfield2 years ago

0 0

6.84, 8 5/7, 6.34, 6 1/4, 8 3/10, 8.15

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John's commute to work is 20kmhr while Sheri's commute is 500mmin. Who has the fastest commute to work in mihrif 1.61km=1mi? A S

Andreyy89

Answer:

A) Sheri has the faster commute by 6.2 miles/hr.

Step-by-step explanation:

Given

John's commute to work $=20\ km/hr$

Sheri's commute to work $=500\ m/min$

$1.61\ km = 1\ mile$

John's commute to work in miles per hour = $\frac{20\ km}{1 hr}\times \frac{1\ mile}{1.61\ km}= 12.42\ miles/hr$

Sheri's commute to work in miles per hour = $\frac{500\ m}{1\ min}\times \frac{1\ km}{1000\ m}\times \frac{1\ mile}{1.61\ km}\times \frac{60\ min}{1\ hr}= 18.63\ miles/ hr$

We can see that Sheri has a faster commute.

Difference between the rates = $18.63\ miles/ hr-12.42\ miles/hr=6.21\ miles/hr\approx 6.2\ miles/hr$

∴ Sheri has the faster commute by 6.2 miles/hr.

3 0

3 years ago

Find the product of (5t-3) and (3t +7) when t = 6

emmasim [6.3K]

Answer:

675

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

(5t - 3) · (3t + 7)

t = 6

Step 2: Evaluate

Substitute in t: (5(6) - 3) · (3(6) + 7)
(Parenthesis) Multiply: (30 - 3) · (18 + 7)
(Parenthesis) Subtract: 27 · (18 + 7)
(Parenthesis) Add: 27 · 25
Multiply: 675

8 0

3 years ago

Read 2 more answers

Find the coefficient of x2 in ( 4+ 4x2)( 3x2–5).

algol13

Answer:

- 8

Step-by-step explanation:

Given

(4 +4 x²)(3x² - 5)

Each term in the second factor is multiplied by each term in the first factor, that is

4(3x² - 5) + 4x²(3x² - 5) ← distribute parenthesis

= 12x² - 20 + 12 $x^{4}$ - 20x² ← collect like terms

= 12 $x^{4}$ - 8x² - 20

with coefficient of x² term being - 8

8 0

2 years ago

Choose the algebraic description that maps the image ABC onto A'B'C'.

sp2606 [1]

(X,Y-4) this is the answer to the question since the y value of the translated image is moved down from the preimage

6 0

3 years ago

What is an equation of the line that passes through the point (-8,0) and is perpendicular to the line x+2y=14

AVprozaik [17]

Step-by-step explanation:

let eqn be y = mx + b.

Since perpendicular, m = - 1/(-0.5) = 2

sub (-8, 0):

0 = 2(8) + b

b = - 16

therefore equation is y = 2x - 16

Topic: coordinate geometry

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3 years ago