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3 years ago

What is "six times a number y is less than or equal to 10 written as an inequality"

Mathematics

1 answer:

jekas [21]3 years ago

6 0

XY< 10

if you get too confused whether the x is a variable or a sign, use the * .

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Plzzzzz help meee i do not know it

Andrej [43]

Answer:

70 cubic cenimeters

Step-by-step explanation:

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3 years ago

If p and q vary inversely and p is 4 when q is 30, determine q when p is equal to 10.

Sphinxa [80]

answer:

q = 75

step-by-step explanation:

we can set up an proportion for this

when p = 4, q = 30

put this as a proportion so that this is one side
look at what i did

4 / 30 = 10 / x

4x = 300

x = 75

here i used x as q, therefore whatever x is, will be q

q = 75

4 0

3 years ago

Which graph represents the function f(x) = (x – 5)2 + 3?

Luden [163]

The first graph is the answer. (The one with the parabola in the first quadrant)

7 0

3 years ago

Read 2 more answers

Substitution to solve the linear system

STALIN [3.7K]

y=4x+2. eq1

y=5x. eq2

4x=2-y

x=(2-y) /4

substitute in equation 2

y=5(2-y) /2

y=(10-5y)/2

4y=10-5y

9y=10

y=10/9

substitute in equation 2 or 1

substituting in equation 2

10/9=5x

x=10/45

x=10/45 y=10/9

you can verify it also.

HOPE IT HELPS!!

5 0

4 years ago

A. 12

kondor19780726 [428]

Tree casts a shadow 30 feet long. A MHS student standing near the tree casts a shadow 9 feet long. The student is 6 feet tall. What is the height of the tree? Show all work

Answer:

Option D

The height of tree is 20 feet tall

Solution:

From given question,

Shadow of tree = 30 feet

Height of tree = ?

Height of student = 6 feet

Shadow of student = 9 feet

We have to find the height of tree

We can solve the sum by proportion

$\frac{\text{height of tree}}{\text{shadow of tree}} = \frac{\text{height of student}}{\text{shadow of tree}}$

This forms a proportion and we can solve the sum by cross multiplying

$\frac{\text{height of tree}}{30} = \frac{6}{9}\\\\\text{height of tree} = 30 \times \frac{6}{9} = 30 \times \frac{2}{3}\\\\\text{ height of tree } = 10 \times 2 = 20$

Thus height of tree is 20 feet tall

5 0

3 years ago