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ryzh [129]
2 years ago
7

PLsss HELP IN NEED HELP ASAP

Mathematics
2 answers:
Mashutka [201]2 years ago
6 0

Answer:

this video may be helped to u

Step-by-step explanation:

https://youtu.be/3FMWXYebxL4

sergey [27]2 years ago
4 0

Answer:

Multiply to clear any fractions or decimals.

Simplify each side by clearing parentheses and combining like terms.

Add or subtract to isolate the variable term—you may have to move a term with the variable.

Multiply or divide to isolate the variable.

Check the solution.

Step-by-step explanation:

yes

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Write the equation for 30 is 75% of what number​
Tatiana [17]

Answer:

40. make sure to follow me

7 0
2 years ago
What's 89452×636428÷36?
Whitepunk [10]
,,,,,,,,,,,............,.............................................
7 0
3 years ago
In the diagram abc=adb=90, ad=p and dc=q. Use similar triangles to show that x2=pz<br> plzz anyoneee
kramer

Answer:

By comparing the ratios of sides in similar triangles ΔABC and ΔADB,we can say that x^{2} =pz

Step-by-step explanation:

Given that ∠ABC=∠ADC, AD=p and DC=q.

Let us take compare Δ ABC and  Δ ADB in the attached file , ∠A is common in both triangles

                                                                     and given ∠ABC=∠ADB=90°

Hence using AA postulate, ΔABC ≈ ΔADB.

Now we will equate respective side ratios in both triangles.

\frac{AB}{AC}= \frac{AD}{AB}=\frac{BD}{BC}

Since we don't know BD , BC let us take first equality and plugin the variables given in respective sides.

\frac{x}{z}= \frac{p}{x}

Cross multiply

x^{2}=pz

Hence proved.


7 0
3 years ago
Ava is 9 years old. Rose is 11 time as old as ava. How old is rose?
balu736 [363]
99 years old due to multiplying 9 x 11

7 0
3 years ago
Read 2 more answers
Show that each of these conditional statements is a tautology by using truth tables. a) [¬p ∧ (p ∨ q)] → q b) [(p → q) ∧ (q → r)
nlexa [21]

Step-by-step explanation:

To show that a statement is a tautology using truth table - is to show that all the entries in the expression are truths T.

We can do this by taking each statement, expression by expression. For example, to show that

[~p ∧ (p ∨ q)] → q

is a tautology, knowing we have 3 columns, we have 2^3 = 8 rows. We start by putting putting truth values for p, q, and r respectively

Next, we find ~p, then find (p ∨ q), then find ~p ∧ (p ∨ q), before finally arriving at the required [~p ∧ (p ∨ q)] → q

TERMINOLOGIES AND SYMBOLS

- T means Truth

- F means False

- ~p means negation of p.

~p is F if p is T, and vice versa

- ∧ means conjunction.

p ∧ q is T only if p is T and q is T.

- ∨ means disjunction.

p ∨ q is T if either p or q is T.

- → is for conditional 'if then'

p → q is T if both p and q are T, or both p and q are F, or p is F and q is T, otherwise, it is F.

THE STEP BY STEP WORKINGS FOR THE STATEMENTS GIVEN ARE IN THE ATTACHMENT.

8 0
3 years ago
Read 2 more answers
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