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4 years ago

4p + 1 > −7 or 6p + 3 < 33?

Mathematics

1 answer:

aleksandr82 [10.1K]4 years ago

4 0

P>-2 or p < 5 is your answer

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Me ajudem com a 3º questão

Alisiya [41]

I can't read that language but I'll guess it says write a second degree equation then solve for n when d=10.

$10 = \dfrac{n(n-3)}{2}$

$20 = n^2 - 3n$

$n^2 - 3n - 20 = 0$

Answer: n² - 3n - 20 = 0

That doesn't factor so there is no integer n solution.

That means there are no polygons with 10 diagonals.

$n = \frac 1 2(3 \pm \sqrt{89})$

7 0

3 years ago

Can someone help me with question 1 and 2?

ICE Princess25 [194]

Answer:

2. 4

Step-by-step explanation:

use the formula A=ab/2

a-leg 1

b-leg 2 (base)

since it is a right triangle the height would be 2 cm and the base would be the leg (4 cm)

plus into the equation- A= 2(4)/2

8/2=4

8 0

3 years ago

PLS HELP.

frozen [14]

Answer:

15 people

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

12 (2 -2)+32 = (x +6) +2

Anestetic [448]

Answer: x = 24

Step-by-step explanation:

Hey there! I will give the following steps, if you have any questions feel free to ask me in the comments below.

Step 1: Remove parentheses.

12 (2 − 2) + 32 = $x$ + 6 + 2

Step 2: Simplify 2 − 2 to 0.

12 × 0 + 32 = $x$ + 6 + 2

Step 3: Simplify 12 × 0 to 0.

0 + 32 = $x$ + 6 + 2

Step 4: Simplify 0 + 32 to 32.

32 = $x$ + 6 + 2

Step 5: $x$ + 6 + 2 to $x$ + 8.

32 = $x$ + 8

Step 6: Subtract 8 from both sides.

32 − 8 = $x$

Step 7: Simplify 32 − 8 to 24.

24 = $x$

Step 8: Switch sides.

$x$ = 24

~I hope I helped you! :)~

8 0

3 years ago

Read 2 more answers

Theresa is planning on making a fleece blanket for her nephew. She learns that the fabric she wants to use is $7.99 per yard . F

crimeas [40]

Theresa would have to pay $31.96 for 4 yards of fabric.

5 0

3 years ago