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ICE Princess25 [194]
3 years ago
5

Solve this system with substitution: 2x - 5y = 22 x + 5y = -4

Mathematics
1 answer:
Artyom0805 [142]3 years ago
6 0
So the coordinate points is (6,-2)

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Which logarithmic equation is equivalent to the exponential equation below?<br><br> 7^x=21
Irina-Kira [14]
Log base 7 (21)=x
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7 0
3 years ago
Read 2 more answers
Shaquira is baking cookies to put in packages for a fundraiser. Shakira has made 86 chocolate chip cookies and 42 sugar cookies.
In-s [12.5K]

Answer:

  2

Step-by-step explanation:

The only common factor of the given numbers is 2.

Shaquira can make 2 packages, each containing 43 chocolate chip cookies and 21 sugar cookies.

3 0
3 years ago
Can someone please do it for me i did a few but i need the rest
belka [17]
Don’t worry! I am happy to help you! Standard form is just the number alone. In this case, here are the numbers written out for you.

1. 53
2. 9,400
3. 707,000
4. 0.0026
5. 0.08651
6. 0.0000067

The next part here is scientific notation. The first number has to be greater than 1, but less than ten, and the number you multiply by is powers of 10, sometime positively and sometimes negatively. You can search up the powers of 10 chart to find more. Here they are written in scientific notation.

7. 5.61 * 10^3
8. 1.4 * 10^1
9. 5.64 * 10^7
10. 7.52 * 10^-1
11. 6.4 * 10^-3
12. 5.81 * 10^-4

For this next part, you have to get these answers and express it in scientific notation. Here are these answers with the work.

13. 69,000,000 + 212,000 = 69,212,000.
Scientific notation: 6.9212 * 10^7

14. 43,000 + 521,000 = 564,000
Scientific notation: 5.64 * 10^5
3 0
3 years ago
a person standing on level ground is 2,000 feet away from the foot of a 420-foot tall building as shown in the diagran. To the n
irga5000 [103]

Answer:

TAN(x°) = 420/2000 --> x = 11.86° ≈ 12°

3 0
2 years ago
A cat must jump 5.5ft to clear the fence to get home
Oliga [24]

................................................ok

5 0
3 years ago
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