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3 years ago

How do i do fifth grade divison

Mathematics

1 answer:

ser-zykov [4K]3 years ago

6 0

Ummm like long division

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Can 7/9 and 42/54 form a proportion

SOVA2 [1]

Answer:

yes

Step-by-step explanation:

42/54 = 6*7/6*9 = 7/9

7/9 = 42/54

8 0

3 years ago

Read 2 more answers

If a polyhedron has 5 faces and 7 vertices, then it must have how many edges? Please show step-by-step work

Juli2301 [7.4K]

Answer:

10 edges

Step-by-step explanation:

we know that

The Euler's formula state that: In a polyhedron, the number of vertices, minus the number of edges, plus the number of faces, is equal to two

$V - E + F = 2$

in this problem we have

$V=7\\E=?\\F=5$

substitute the given values

$7 - E + 5 = 2$

solve for E

Combine like terms in the left side

$12 - E = 2$

subtract 12 both sides

$- E = -10$

Multiply by -1 both sides

$E =10$

8 0

2 years ago

Will mark brainliest

Anna007 [38]

Answer: $x\leq 3$

PLEASE MARK ME BRAINLIEST

Step-by-step explanation:

1) Simplify both sides of the inequality:

$4x+8\geq 5x+5$

2) Subtract $5x$ from both sides:

$4x+8-5x\geq 5x+5-5x$

3) Simplify:

$-x+8\geq 5$

4) Subtract $8$ from both sides:

$-x+8-8\geq 5-8$

5) Simplify:

$-x\geq -3$

6) Divide both sides by $-1$ :

$\frac{-x}{-1} =\frac{-3}{-1}$

7) Simplify:

$x\leq -3$

5 0

2 years ago

Read 2 more answers

Will give point to first correct answer!!

neonofarm [45]

Answer:

f(x) = 3(0.2)^x

Step-by-step explanation:

The leading coefficient is 3 as x = 0 gives f(x) = 3.

When x = 1, f(x) = 0.6. so try :

0.6 =3(1.2)^1 = 3.6 so it's not the fiirst choice.

0.6 = 3(0.2)^1 = 0.6 so its last choice.

Check when x = -1:

3(0.2)^-1

= 3/ 0.2

= 15

3 0

2 years ago

How do go math lesson 2.5 3rd grade?

schepotkina [342]

Send a picture of it ok then i answer

5 0

3 years ago

Read 2 more answers