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3 years ago

Helppppp !!!!!!!!!!!!

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

7 0

The three sides have the same length

sveticcg [70]3 years ago

5 0

option C is the correct answer because equal side of a triangle must have equal length. in this figure all the three angles are equal therefore there side must be equal.

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4( x - 3 ) - r + 2x = 5( 3x - 7) - 9x.........Can someone show me how to get this answer? please i'm getting really fustraded...

Nesterboy [21]

R = 23

To find this, first combine distribute the numbers, then combine like terms:

4x - 12 - r + 2x = 15x - 35 - 9x
6x - 12 - r = 6 x - 35

Here, the 6x's cancel out so you're left with constants.

-12 - r = - 35
-r = -23

And since -r still is negative, you'll have to divide by - to cancel it out on both sides, leaving you with positive 23 as r.

Hope this helps!

7 0

3 years ago

A circle has a radius of 15 inches. What is the area, in square inches, of this circle? (The area of a circle with a radius of r

Natali [406]

Answer:

$225\pi$

Step-by-step explanation:

15×15=225=r^2

4 0

3 years ago

A jar contains only quarters and dimes. The jar contains a total of 92 coins. The value of all the coins is 14$. How many quarte

skad [1K]

Answer:

read the explanation ya bean bag

Step-by-step explanation:

we can set up some equations

lets say that q=one quarter and d=one dime

there are 92 coins so q+d=92

for each quarter, there are 25 cents added towards the 14 dollars

for each dime, there are 10 cents added towards the 14 dollars

14 dollars is equal to 1400 cents

using all this information, we can write the following equation:

25q+10d=1400

we can simplify this to 5q+2d=280

remember that q+d=92, so let's take out the extra dimes: 3q+2(q+d)=280 or 3q+2*92=280 or 3q+184=280 or 3q=96 or q=32

there are 32 quarters, so we can subtract 32 from 92 to figure out how many dimes we have

92-32=60 dimes

6 0

3 years ago

Michael and Landon work at a dry cleaners ironing shirts. Michael can iron 40 shirts per hour, and Landon can iron 20 shirts per

BartSMP [9]

Answer:

Michael worked 4 hours and Landon worked 10 hours.

Step-by-step explanation:

Michael can iron 40 shirts each hour, so in xx hours he can iron 40x40x shirts. Landon can iron 20 shirts each hour, so in yy hours he can iron 20y20y shirts. The total number of shirts ironed 40x+20y equals 360:

40x+20y=360

Since Michael and Landon worked a combined 14 hours, we know x+yx+y must equal 14.

x+y=14

Write System of Equations:

40x+20y= 360

x+y=14

Solve for y in each equation:

40x+20y = 360 x+y = 14 20y = -40x+360

$\frac{-20y}{20}$ = $\frac{-40x+360}{20}$

y = -2x+18

7 0

3 years ago

HELP PLZ !!!<br><br> 4) what is the value of x to the nearest tenth ? <br><br> refer to image above

Jlenok [28]

Answer:

x = 34.9 to the nearest tenth.

Step-by-step explanation:

tan 64 = opposite side / adjacent side = x / 17.

x = 17 * tan 64

= 34.855

7 0

4 years ago

Helppppp !!!!!!!!!!!!​

Helppppp !!!!!!!!!!!!