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vodka [1.7K]
3 years ago
13

Help plz plz I only have 30 minutes

Mathematics
2 answers:
natulia [17]3 years ago
5 0

Answer:

50% increase in weight

Step-by-step explanation:

First, write the situation out in an equation:

7/100=10.5/x

If we find the difference assuming 7 is 100% and 10.5 is x%, then we can subtract to find the difference.

Solve this equation for x. The answer would look like this:

7/100=10.5/150

Then, since 150% - 100% is 50%, the answer is a 50% increase.

Hope this helps! Please mark brainliest! :)

Alex_Xolod [135]3 years ago
3 0

Answer:3.5 tons

Step-by-step explanation:

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HELP^^ LOOK AT THE PICTURE. this is algebra in & out tables ?
s2008m [1.1K]

Answer:

a= 1 , b = 1/16  , c = 1/256 , d= 3/2 , e=4/9  , f= 16/81

Step-by-step explanation:

The first table is given as;

x         4⁻ˣ

-1        4

0        1

2       1/16

4      1/256

a= 1 , b = 1/16  , c = 1/256

The second table is given as;

x             {2/3}^x

-1             3/2

0               1

2              4/9

4              16/81

d= 3/2 , e=4/9  , f= 16/81

5 0
3 years ago
How many different 4-question geometry quizzes can a teacher make if there are 7 different problems to test on?.
stich3 [128]

Answer:

35 quizzes

Step-by-step explanation:

We need to determine how many ways we can choose 4 questions out of 7 to make the quizzes.

We do this by using the formula \displaystyle nCr=\frac{n!}{r!(n-r)!} which describes the number of ways we can choose r objects given n possible choices. So, if n=7 and r=4, then:

_4C_7=\frac{7!}{4!(7-4)!}\\\\_4C_7=\frac{7*6*5*4!}{4!*3!}\\\\_4C_7=\frac{210}{6}\\\\_4C_7=35

Hence, the teacher can make 35 different geometry quizzes.

3 0
2 years ago
Write the polynomial as a product.<br> xk-xy-x^2+yk
Kazeer [188]

Answer:

(k-x)(x+y)

Step-by-step explanation:

x×(k-x)+y×(k-x)

=(k-x)(x+y)

3 0
2 years ago
Products equivalent to the quotient of 9/ divided by 2
Murljashka [212]

Answer:

\frac{3}{\sqrt{2} }^2

Step-by-step explanation:

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3 years ago
Find the square root of the number.<br> -18
Ad libitum [116K]

Answer:

Search Results

square root(-18) =

4.24264069

Step-by-step explanation:

7 0
2 years ago
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