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Lyrx [107]
3 years ago
12

7th grade math help its algebra-

Mathematics
2 answers:
Debora [2.8K]3 years ago
3 0

Answer:

Okay that one is kinda difficult even for me :( But Every time I dont know an algebra answer I go to this website mathpapa.com

Step-by-step explanation:

swat323 years ago
3 0

Answer:

58

Step-by-step explanation:

because if you plug 22 into x in the equation 3x-8 and then solve you get 58

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What value of p makes the expression true? -3p+1/8=-1/4​
meriva

Answer:

p = 1/8

Step-by-step explanation:

Step 1: Write out equation

-3p + 1/8 = -1/4

Step 2: Subtract 1/8 on both sides

-3p = -3/8

Step 3: Divide both sides by -3

p = 1/8

7 0
3 years ago
A ladder is leaning against a building and makes 28 degree angle with the ground.
Dominik [7]

To solve this problem you must apply the proccedure shown below:

1- You have that the laddder makes an angle of 28 degrees with the ground and the top of the ladder reaches 35ft.

2- Therefore, you have:

Sin\alpha =\frac{opposite}{hypotenuse}

Where:

opposite=35\\ hypotenuse=length\\ \alpha =28degrees

3-You must substitute values and solve for the lenght, as following:

Sin(28)=\frac{35}{lenght}  \\lenght=\frac{35}{Sin(28)}  \\ lenght=75ft

Therefore, the answer is: 75ft

7 0
4 years ago
Here ill be quick do this whole thing show me your work = 80 pints
sertanlavr [38]

Answer:

1. 3

2. 35/3 or 11 2/3

3. 50.53

4. 45

5. 0.05

6. D

7. 9/10

8.  2 × 2 × 3 × 7

9. 4 R 11

10. 5.76

11. B

12. 1 1/7

13. 155.18

14. 64.792

15. 5.29

6 0
3 years ago
If the height of the building is 250 feet and the sun makes a 49 degree angle with the ground as shown in the image below, what
gizmo_the_mogwai [7]
Hello,

tan C=AB/BC==>BC=tan 49° * 250=287,59210... (feet)

sin C=AB/AC==>AC=250/sin 49°=331,253248... (feet)

6 0
3 years ago
Differentiate: y=152+26−37 <br><br> dy/dx= answer
ozzi

Answer:

\frac{dy}{dx} y=0

General Formulas and Concepts:

<u>Calculus</u>

  • The derivative of a constant is equal to 0

Step-by-step explanation:

<u>Step 1: Define function</u>

y = 152 + 26 - 37

<u>Step 2: Simplify</u>

<em>Combine like terms</em>

y = 141

<u>Step 3: Find derivative</u>

<em>Derivative of any constant will be 0.</em>

<em />\frac{dy}{dx} y=0<em />

8 0
3 years ago
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