2 years ago

Rename 5400 using place value chart

Mathematics

1 answer:

AlekseyPX2 years ago

4 0

5,400 I think I'm right

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Solve for x I got x=28.394. is that correct?

quester [9]

Cosine 65 = 12 / x
0.4226183 = 12 / x
x = 12 / 0.4226183
 x = 28.39441

So, I'd say you are correct.

6 0

2 years ago

Calcular el volumen de un cono con altura de 15cm y una base cuyo radio es de 3cm

Ganezh [65]

Answer:

v= 141.37

Step-by-step explanation:

π · 3^2 · 15/ 3

=141.37167

6 0

3 years ago

Which statements are true regarding the prism? Check

Viktor [21]

Answer:

The prism has 9 edges, The bases of the prism are triangles, and the prism has 5 faces.

Would really appreciate a brainliest! Hope this helped! =)

6 0

2 years ago

Read 2 more answers

A cone is 3 inches high and has a base with a surface area of 7 square inches. What is the volume of the cone?

lawyer [7]

Answer: the answer should be 7

Step-by-step explanation: V=πr2h

3=π·1.52·3

3≈7.06858

you can find the radius for the area of the base 7 by dividing by $\pi$ like such 7/3.1459 the squared because remember its in r2 form which give you 1.5 then plug this in for one of two ways to solve A· $\pi$ 1/3 or V=πr2h

4 0

3 years ago

What two numbers add to 9 and multiply to -70

Alborosie

X, y - the numbers

The numbers add to 9 and multiply to -70.
$x+y=9 \\
xy=-70 \\ \\
y=9-x \\
xy=-70 \\ \\
\hbox{substitute 9-x for y in the second equation:} \\
x(9-x)=-70 \\
9x-x^2=-70 \\
-x^2+9x+70=0 \\
-x^2+14x-5x+70=0 \\
-x(x-14)-5(x-14)=0 \\
(-x-5)(x-14)=0 \\
-x-5=0 \ \lor \ x-14=0 \\
x=-5 \ \lor \ x=14 \\ \\
y=9-x \\
y=9-(-5) \ \lor \ y=9-14 \\
y=14 \ \lor \ y=-5 \\ \\
(x,y)=(-5,14) \hbox{ or } (x,y)=(14,-5)$

The numbers are -5 and 14.

4 0

2 years ago