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kolezko [41]
3 years ago
14

I NEED HELP ASAPPPP

Mathematics
1 answer:
Yuliya22 [10]3 years ago
4 0
Pythagorean Theorem- A^2+B^2=C^2
1) 6^2+9^2= x^2
2) 36+81= 117
Square root 117 =10.82

Hope this helped :)
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Twice a number x exceed 5 at least by 4. find the possible value of x.
salantis [7]

Answer:

5?

Step-by-step explanation:

2x › 5 (buy at least 4)

so you can just start plugging numbers in.

I used 5, 5 times 2 is 10 which is 5 more that 5, which does met the quota.

5 0
2 years ago
Read 2 more answers
Please help me with this!
notsponge [240]

4 babies and 7 adults 

  B head=4x1=4    Aheads (3x7)=21     21+4=25 heads

B wings    4x2=8  A wings(4x7)=28       28+8=36


4 0
2 years ago
Read 2 more answers
Please help me on this one.
EleoNora [17]
3(j+4)-9=9
3j + 12 -9 =9
3j +3 =9
3j =6
j=2
7 0
3 years ago
Read 2 more answers
Solve the proportions using cross products. Round to the nearest hundredth is necessary. 21miles/49hours = 15miles h hours
SSSSS [86.1K]

\dfrac{21}{49}=\dfrac{21:7}{49:7}=\dfrac{3}{7}\\\\\dfrac{21}{49}=\dfrac{15}{h}\to\dfrac{3}{7}=\dfrac{15}{h}\qquad\text{cross multiply}\\\\3h=(7)(15)\\\\3h=105\qquad\text{divide both sides by 3}\\\\\boxed{h=35}\\\\Answer:\ 35\ hours

8 0
3 years ago
58 is 20% of<br>having trouble
ella [17]
First, let's introduce a variable:

Let n represent the number we are trying to find.

20 % x n = 58
0.20 x n  = 58
      0.20n = 58
             n = 290
           
Therefore, 58 is 20% of 290.

Hope this helps!
Message me if you have any questions. :)
6 0
2 years ago
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