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Marianna [84]
3 years ago
9

Select the expressions that are equivalent to 9d+4d.

Mathematics
2 answers:
Bas_tet [7]3 years ago
5 0
The answer is
d • 13
7d + 2d + 4d
13d
notsponge [240]3 years ago
3 0

Answer:

are we suposed to pick one

Step-by-step explanation:

i would pick B aka 2

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I need to know the answer ASAP
Tomtit [17]

Answer:

2\sqrt{x} is valid for all values of x ≥ 0

Step-by-step explanation:

4 0
3 years ago
Solve the equation 9x^⅔+4x^⅔=27​
bija089 [108]
I THINK it’s x = ±1/27 or ±8, again I’m not sure if I did the math correct but this is what I got
8 0
3 years ago
5. En el estado de Puebla sembraron 84,092
Nesterboy [21]

Answer:

128,158 hectáreas

Step-by-step explanation:

Aquí, en esta pregunta, nos interesa calcular las hectáreas totales de trigo que se sembraron entre los tres estados.

Para calcular esto, simplemente sumamos las hectáreas de trigo que se sembraron en cada uno de los estados.

Matemáticamente;

Eso sería; 84,092 + 42,634 + 1,432 = 128,158 hectáreas

6 0
3 years ago
Solve for a : D = 4/5a + h
Tresset [83]

Answer:Let's solve for a.

d=

4

5

a+h

Step 1: Flip the equation.

4

5

a+h=d

Step 2: Add -h to both sides.

4

5

a+h+−h=d+−h

4

5

a=d−h

Step 3: Divide both sides by 4/5.

4

5

a

4

5

=

d−h

4

5

a=

5d−5h

4

Answer:

a=

5d−5h

4

Step-by-step explanation:

7 0
4 years ago
A guy wire 1393 feet long is attached to the top of a tower. When pulled taut, it touches level ground 741 feet from the base of
andrew-mc [135]

Answer:

  57.9°

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relation between trig functions and sides of a right triangle. Here, you're given the side adjacent to the angle of interest, and the hypotenuse of the triangle. This suggests the CAH relationship is the one of interest:

  Cos = Adjacent/Hypotenuse

  cos(angle) = (741 ft)/(1393 ft)

  angle = arccos(741/1393) ≈ 57.863° . . . . . use the inverse cosine function

  angle ≈ 57.9°

The wire makes an angle of approximately 57.9° with the ground.

5 0
3 years ago
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