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3 years ago

DIA rectangle measures x cm by (x + 4)cm.What are the width and length of the rectangle?

Mathematics

1 answer:

Lyrx [107]3 years ago

7 0

Answer:

gggghgbvbbnc niutuyyttttt

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Janae has 280 dimes in her piggy bank she has 10 times as many pennies how many pennies does Janae have

Natalija [7]

Answer:

She has 28 pennies

Step-by-step explanation:

Janae has 280 dimes in her piggy bank she has 10 times as many pennies .

If she has 280 dimes in piggy bank

And has 10 times as many pennies

Let dimes= x

Let pennies= y

X= 10y

But x= 280

280= 10y

280/10 = y

28 = y

She has 28 pennies

8 0

4 years ago

Find the slope of any line parallel to the lien through the given points (3,2),(3,1)

Alborosie

Answer:

m = undefined

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Parallel lines have the same slope but different y-intercepts
An undefined line is a vertical line
Slope Formula: $\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (3, 2)

Point (3, 1)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m=\frac{1-2}{3-3}$
[Fraction] Subtract: $\displaystyle m=\frac{-1}{0}$
Simplify: m = undefined

8 0

3 years ago

3. A mysterious metal medallion has a mass of 3,088 grams. Water is poured into a graduated glass container with a 10-by-10 cm s

Gekata [30.6K]

Step-by-step explanation:

Volume of displaced water = (10cm)(10cm)(1.6cm)

= 160 cm^3

density = mass/vol of displaced water

= 3088 grams/160 cm^3

= 19.3 g/cm^3

P.S. This is most likely a pure gold medallion.

6 0

3 years ago

Gabe rounds 9.456 to the nearest hundredth. Then, he rounds the result to the nearest tenth. Last, he rounds that result to the

larisa86 [58]

Answer:

390

Step-by-step explanation:

4 0

3 years ago

Point A represents which fraction? A)1/3 B)4/8 C)5/6 D)5/8

ELEN [110]

I believe the answer would b ( B) 1/3

Hope this helps!

4 0

3 years ago

DIA rectangle measures x cm by (x + 4)cm.What are the width and length of the rectangle?​

DIA rectangle measures x cm by (x + 4)cm.What are the width and length of the rectangle?