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3 years ago

Will mark brainlist!

Mathematics

1 answer:

Darya [45]3 years ago

7 0

Step-by-step explanation:

if 2/3 = 1/4

then 1 = X

x = (1×1/4) ÷ 2/3

x= 0.36

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Mr. Littles is building a triangular sandbox using three boards. He already has two boards that measure 9 feet and 12 feet. Sele

Bess [88]

Answer:

9 feet, 15 feet, 19 feet

Step-by-step explanation:

Options are:

2 feet
3 feet
9 feet
15 feet
19 feet
21 feet
30 feet

-------------------------------------

Use the triangle inequality theorem: sum of any two side must be greater than the third side by length

2 feet ⇒ no, as 2 + 9 < 12
3 feet ⇒ no, as 3 + 9 = 12
9 feet ⇒ yes
15 feet ⇒ yes
19 feet ⇒ yes
21 feet ⇒ no, as 9 + 12 = 21
30 feet ⇒ no, as 9 + 12 < 30

6 0

3 years ago

Solve (x + 6)/x - 4) = -16 0 (-12. 22) 0 1-4. 2) O {-4. 6)

Snowcat [4.5K]

Answer:

$3\frac{7}{17}$

Step-by-step explanation:

$\frac{(x + 6)}{(x - 4)} = - 16 \\ \\ x + 6 = - 16(x - 4) \\ x + 6 = - 16x + 64 \\ x + 16x = 64 - 6 \\ 17x = 58 \\ x = \frac{58}{17} \\ x = 3\frac{7}{17} \\$

7 0

3 years ago

Write an expression for the calculation add 34 and 6 and then multiply 3

Ymorist [56]

We need to write an expression for "add 34 and 6 and then multiply 3"

"Add" represents + operation .

"multiply" represents × operation.

We need to add 34 and 6.

So, we can write 34+6 and then we need multiply the sum by 3.

So, we need to keep above addition of 34 and 6 in parantehsis. We get

(34+6) × 3.

So, the final expression is (34+6) × 3.

3 0

3 years ago

Pauline is building a fence around her vegetable garden, what length of fence will she need to build?

Nuetrik [128]

I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
SEE ATTACHED IMAGE.
First we look for the hypotenuse of both triangles.
Left triangle:
Sine (68.1) = (1.75) / (h)
h = (1.75) / Sine (68.1)
h = 1.886108667
h = 1.9m
Right triangle:
Sine (49.4) = (1.75) / (h)
h = (1.75) / Sine (49.4)
h = 2.304841475
h = 2.3m
Finally adding the perimeter:
P = 5 + 1.9 + 2.75 + 2.3
P = 11.95 m
Answer:
she will need to build 11.95 m of fence

6 0

3 years ago

What is the relationship between a conjecture, a theorem, two column proof

Afina-wow [57]

Conjecture
is an educated guess based on known information. Reached by using inductive reasoning

4 0

3 years ago