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andrew-mc [135]
3 years ago
10

Simplify [(-64)÷8]÷(-8)​

Mathematics
2 answers:
choli [55]3 years ago
7 0

Answer:

1

Step-by-step explanation:

Follow PBEMDAS:

Parenthesis

Brackets

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

~

First, divide -64 with 8:

-64/8 = -8

Next, divide -8 with -8:

-8/-8 = 1

1 is your answer.

~

Juliette [100K]3 years ago
5 0

Answer:

1

Step-by-step explanation:

\longmapsto\textbf{PEMDAS\:order\:of\:operations:-}

\hookrightarrow \textbf{Parentheses}

\hookrightarrow \textbf{Exponents}

\hookrightarrow \textbf{Multiplication}

\hookrightarrow \textbf{Division}

\hookrightarrow \textbf{Addition}

\hookrightarrow \textbf{Subtraction}

<h3>__________________</h3>

\left[\left(-64\right)\div \:8\right]\div \left(-8\right)

<u>First, calculate within parentheses:</u>

\longmapsto\left(-64\right)\div \:8

\longmapsto-64\div \:8

\longmapsto-8

<u>Division</u>:

\longmapsto -8\div \left(-8\right)

\longmapsto8\div \:8

\longmapsto1

<h3>_________________________</h3>
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Answer:

0.58 or 58%

Step-by-step explanation:

If the highest probability is 1, and you already have 0.42, you have to find what is left, so our equation is:

1 - 0.41 = 0.58

So the probability of getting a head is 0.58 or 58%

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Is this right? IDK I need help!!!
True [87]

Answer:

um... you are wrong

Step-by-step explanation:

its the the last one

you can't add when its division

you can change exponents from 1/x^-2

to   x^2

<h2><em><u>I nweed brainliest</u></em></h2>
5 0
3 years ago
Surveyors wished to know the distance across a lake between A and B. They measured the distance from B to C as 100 m and the ang
kherson [118]

Answer:

<h3>AB ≈ 70m</h3>

Step-by-step explanation:

Check the attachment for the diagram.

You can see from the diagram that it is a right angled triangle with opposite side AB and adjacent side BC. Using SOH, CAH, TOA trig identity to get the length of AB. According to TOA;

tan 35° = opposite/adjacent

tan 35° = AB/BC

tan 35° = AB/100

AB = 100tan35°

AB = 100 * 0.7002

AB = 70.02m

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5 0
3 years ago
Please help me. I need help please.
Mice21 [21]

Answer:

The correct options are;

EFGH has 4 congruent sides

Diagonal FH bisects angles EFG and EHG

Angle FEH is congruent to angle FGH

Step-by-step explanation:

1) Given that for a reflection, we have;

The distance of the reflected preimage from the line of reflection = The distance of the reflected image from the line of reflection

Therefore;

The distance of the point E from the line HF = The distance of the point G from the line HF

Also the reflection of an preimage (x, y) about the x-axis, gives an image (x, -y)

We can show that from the length of a line given by the equationl = \sqrt{\left (y_{2}-y_{1}  \right )^{2}+\left (x_{2}-x_{1}  \right )^{2}}, that the length EH ≅ GH and EF ≅ GF

Therefore since we are given that EH = EF, we have;

EH = GH = GF = EF by the definition of congruency, which gives 4 congruent sides

2) Given that EH = GH = GF = EF and HF = FH by reflective property, we have;

ΔEHF ≅ ΔGHF

∴ ∠GHF ≅ ∠EHF by Congruent Parts of Congruent Triangles are Congruent

Similarly, ∠GFH ≅ ∠EFH

Therefore, ∠GFH = ∠EFH and ∠GHF = ∠EHF

Therefore, diagonal FH bisects angles EFG and EHG

3) Given that ΔEHF ≅ ΔGHF, we have;

Angle FEH is congruent to angle FGH, by Congruent Parts of Congruent Triangles are Congruent

7 0
3 years ago
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