3 years ago

Help me please it’s due today

Mathematics

1 answer:

pentagon [3]3 years ago

5 0

Answer:

1. B. $20

2.C. 19%

3. D. not here

Step-by-step explanation:

1. info we know

25+45+10+25+15+10 = 130

we need 20 more dollars

2. 25/130 x/100

cross multiply

2500/ 130x

divide

19 = x

3. same steps as last time

35/130 x/100

3500/130x

29%

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murzikaleks [220]

Answer is in the sheet, hope this helps!

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3 years ago

Can someone please answer. There is a picture. It is only one question. Thank you so much!

Charra [1.4K]

We can check each of these using the Pythagorean Theorem, $a^2 + b^2 = c^2$
Option A:
$.5^2 + 1.2^2 = 1.3^2

$
.25 + 1.44 = 1.691.69 = 1.69
This option works
Option B
$1^2 + 2^2 = 3^2$
1 + 4 = 9
5 ≠ 9
This option does not work, but let's check the others to make sure
Option C:
$6^2 + 8^2 = 10^2$
36 + 64 = 100
100 = 100
This option works
Option D:
$3^2 + 4^2 = 5^2$
9 + 16 = 25
25 = 25
This option works

So, after doing the calculations, we see that option B does not work

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3 years ago

2(2x + 3)^2– 7(2x + 3) - 4

Lana71 [14]

Answer:

Solution in photo

Step-by-step explanation: