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zvonat [6]
2 years ago
13

Please help me thank you so much i will give brainliest answer if you get it right

Mathematics
1 answer:
Setler79 [48]2 years ago
7 0

Answer:

the first four

Step-by-step explanation:

The last two do not equal 9 or .90

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Express this number in scientific notation. 0.15880
Marysya12 [62]

Answer:

<em>1.5880 × 10¹.</em>

Step-by-step explanation:

3 0
3 years ago
How to solve using substitution<br> y=3/4X+5<br> 4x-3y=-1
Pachacha [2.7K]
Please, use parentheses to enclose each fraction:
y=3/4X+5 should be written as <span>y=(3/4)X+5

Let's eliminate the fraction 3/4 by multiplying the above equation through by 4:

4[y] = 4[(3/4)x + 5]
Then 4y = 3x + 20
(no fraction here)

Let 's now solve the system   

4y=3x + 20
4x-3y=-1

We are to solve this system using subtraction.  To accomplish this, multiply the first equation by 3 and the second equation by 4.  Here's what happens:

12y = 9x + 60  (first equation)
16x-12y = -4, or -12y = -4 - 16x (second equation)

Then we have 

 12y = 9x + 60
-12y =-16x - 4

If we add here, 12y-12y becomes zero and we then have 0 = -7x + 56.
Solving this for x:  7x = 56; x=8

We were given equations   
</span><span>y=3/4X+5
4x-3y=-1

We can subst. x=8 into either of these eqn's to find y.  Let's try the first one:

y = (3/4)(8)+5 = 6+5=11

Then x=8 and y=11.

You should check this result.  Subst. x=8 and y=11 into the second given equation.  Is this equation now true?</span>
5 0
3 years ago
Simply the following expression: 8x + 5y - 4z + 9y - 3x + 13z
oksian1 [2.3K]

Answer:

5x+14y+9z

Step-by-step explanation:

combine 8x and -3x to get 5x

combine 5y and 9y to get 13y

combine -4z and 13z to get 9z

7 0
2 years ago
Choose the answer that represents the product below as an exponential
oksano4ka [1.4K]

Answer:

2^4

Step-by-step explanation:

2*2*2*2

There are four 2's multiplied together

2 is the base and 4 is the exponent

2^4

6 0
2 years ago
Read 2 more answers
Plz this for ten points
lesya692 [45]

Answer:

Bran to blueberry ---- 4:1

banana nut to bran ---- 1 to 2

total to corn ---- 12 muffins to 5 muffins

bran to total ---- 1/3

Step-by-step explanation:

4 0
3 years ago
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