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ExtremeBDS [4]
3 years ago
9

What is the place value of the 3 in the number 4,397,000,000? A) Three million B) Thirty million C) Three hundred million D) Thr

ee hundred thousand
Mathematics
2 answers:
Katen [24]3 years ago
8 0
C) three hundred million. Hope this helps!

rewona [7]3 years ago
3 0
3 in the number 4,397,000,000 is 300,000,000

answer
<span>C) Three hundred million</span>
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Write an expression to representi<br> Six more than the quotient of four and a number .
faltersainse [42]
There is black white pants in my room
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3 years ago
43 coins, no nickels, $4.51 equal amount amount of pennies and dimes, how many of each coin
Sonbull [250]
Set up
Let the dimes = d
Let the pennies = p
Let the quarters = q

Equations
You cannot mean that the pennies and dimes have equal numbers. That would mean that each had 21.5 members. Now could you mean that the dime and penny amount could be the same with 43 coins that total 4.00. Four dollars means that you need 40 dimes alone. It must mean that you are including quarters. 

p + d + p = 43          (1)
p = d                        (2)
p +10d +25q = 451  (3)

Note how this last equation = was derived. You have to multiply the dimes by 10 and he quarters by 100 and the total by 100 to get the numbers all in pennies.

Put the results of 2 into 1.
2p  + q = 43                   (4)  
You need to modify equation 3 as well.
p + 10p + 25q = 451
11p + 25q  = 451           (5)

Solve the new equations
2p +  q = 43               (4)
11p + 25q = 451        (5)

Multiply 4 by 25
25(2p- + q = 43)
50p + 25q = 1075     (6)  Subtract (5) from (6)
<u>11p + 25q = 451
</u>39p = 624                        Divide by 39
p = 624 / 39
p = 16

Since the pennies and dimes are equal there are 16 dimes
p + d + q = 43
16 + 16 + q = 43
32 + q = 43
q = 11

Check
16 + 10*16 + 11*25 = ?
16 + 160 + 275  = ?
451 = ?

Nice problem. Thanks for posting.
3 0
4 years ago
Walk me through solving this one-step equation for x.<br><br> -18 + x = -11
Leviafan [203]

-18 + x = -11

Let's add 18 to both sides

x = 7

8 0
3 years ago
Read 2 more answers
Andre's phone is 11.5 cm long. How many millimeters is this?
Eduardwww [97]

Answer:

about 115 millimeters

Step-by-step explanation:

6 0
3 years ago
Dos triángulos son semejantes, si sus ángulos son iguales y sus lados proporcionales. Verdadero o falso?
iren2701 [21]

Answer: verdadero.

Step-by-step explanation:

En geometría se dice que dos figuras son semejantes si tienen la misma forma pero no necesariamente el mismo tamaño.

Ahora, lo que define la forma de un triángulo son sus ángulos, entonces si dos triángulos tienen los mismos ángulos, estos triángulos van a tener la misma forma.

Y los lados siendo proporcionales entre ellos (recordar que una relación proporcional es y = k*x) habla de la relación entre los tamaños de los dos triángulos.

Entonces si, "dos triángulos son semejantes, si sus ángulos son iguales y sus lados proporcionales" es verdadero.

5 0
3 years ago
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