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Setler79 [48]
3 years ago
10

1. Which equation is equivalent to the equation 6x + 9 = 12?

Mathematics
1 answer:
tresset_1 [31]3 years ago
5 0

Answer:

B) 2x+3=4

Step-by-step explanation:

6x+9=12

6x=12-9

6x=3

x=3/6

x=1/2

---------------

Because 2x+3=4, 2x=4-3, 2x=1, x=1/2.

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Rice weighing 3¾ pounds was divided equally and placed in 4 containers. How many ounces of rice were in each?​
grigory [225]

Answer:

15/16

Step-by-step explanation:

3 3/4 divided by 4 = 15/16

4 0
3 years ago
alex bakes $24$ apple, blueberry, and cherry pies. The ratio of apple to blueberry to cherry pies is $1:4:3$. How many cherry pi
Kitty [74]

Answer:

Alex baked 9 cherry pies

Step-by-step explanation:

apple : blueberry : cherry = 1:4:3

apple + blueberry + cherry = 24

1 part: 24 / ( 1+4+3) = 24 / 8 = 3

** Cherry has 3 parts: 3 x 3 = 9

check: apple = 3 x 1 = 3

blueberry: 3 x 4 = 12

12 + 3 + 9 = 24

6 0
3 years ago
Expand the Bionomial<br> (x+4)^4
nadezda [96]

(x + 4)^4 = x^4 + 16x^3 + 96x^2 + 256x + 256

4 0
3 years ago
A population of bacteria is 8500 on Day 1, 9350 on Day 2, and 10285 on Day 3.
11111nata11111 [884]

Answer:

<em>The population on 30th day will be </em><em>134836</em><em>.</em>

Step-by-step explanation:

This is a case of exponential growth. The general form of exponential function is,

y=ab^x

where, a and b are constants.

The data points from the question are (1,8500),(2,9350),(3,10285)

Putting the values in the function,

for x=1, y=8500

8500=ab  ----------1

for x=2, y=9350

9350=ab^2  ------2

Dividing equation 2 by 1,

\Rightarrow \dfrac{ab^2}{ab}=\dfrac{9350}{8500}=1.1

\Rightarrow b=1.1

Putting the value of b in equation 1,

\Rightarrow a=\dfrac{8500}{1.1}=7727.27

Now the function becomes,

y=7727.27(1.1)^x

Putting x=30, we get

y=7727.27(1.1)^{30}=134836.2\approx 134836

4 0
3 years ago
Read 2 more answers
Allen started to save money from his daily allowance. In the first week he saved $5.8 and every next week $3.6 more than the pre
Vikentia [17]

Answer: $16.60

Step-by-step explanation:

5.80+ 3.60= 9.40+ 3.60= 13.00+ 3.60= 16.60

So after 4 weeks he earned $16.60

6 0
3 years ago
Read 2 more answers
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