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rjkz [21]
4 years ago
11

If 2l-18=5l+18, what is the value of t?

Mathematics
2 answers:
Aleks04 [339]4 years ago
8 0
21-18=51+18
21-18-51-18=-66
stira [4]4 years ago
3 0
Let's solve your equation step-by-step.<span><span><span>2x</span>−18</span>=<span><span>5x</span>+18</span></span>Step 1: Subtract 5x from both sides.<span><span><span><span>2x</span>−18</span>−<span>5x</span></span>=<span><span><span>5x</span>+18</span>−<span>5x</span></span></span><span><span><span>−<span>3x</span></span>−18</span>=18</span>Step 2: Add 18 to both sides.<span><span><span><span>−<span>3x</span></span>−18</span>+18</span>=<span>18+18</span></span><span><span>−<span>3x</span></span>=36</span>Step 3: Divide both sides by -3.<span><span><span>−<span>3x/</span></span><span>−3 </span></span>= <span>36/<span>−3</span></span></span><span>x=<span>−12</span></span>Answer:<span>x=<span>−<span>12</span></span></span>
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Find the number that makes the ratio equivalent to 1:2.<br> 6:<br><br><br> What is it
Rainbow [258]
The answer would 12. Think of ratios as fractions. 1/2 = 6/12 So, 6:12
7 0
3 years ago
Help plz!!! 68 Points!!
Mariana [72]

Answer:

Refer below explanation.

Step-by-step explanation:

Given :  two triangles ∆QPK and ∆LMK.

We have to show  ∆QPK ≅ ∆LMK.

Two triangles are similar if ratio of the corresponding sides are equal and measure of corresponding angles are equal.

Statement 1)

QK=16, PK=26, MK=65, KL=40 ( Reason: Given)

Statement 2 )

\frac{QL}{KL}=\frac{16}{40} \\\\\frac{PK}{KM} =\frac{26}{65}

(reason : ratio of corresponding sides)

Statement 3)

\frac{QL}{KL}=\frac{16}{40}=\frac{2}{5} \\\\\frac{PK}{KM} =\frac{26}{65}=\frac{2}{5}

Thus, \frac{QL}{KL}=\frac{PK}{KM} =\frac{2}{5}

(reason: simplify ratios)

Statement 4)

∠MKL = ∠PQK (reason : Vertically opposite angles)

Statement 5)

∆QPK ≅ ∆LMK (reason : Side-angle-side)

Side angle side similarity criterion states that two angles are similar if the ratio of their corresponding sides and angle between these sides are equal then triangles are similar.




5 0
3 years ago
Evaluate the expression.
Gemiola [76]

Answer:

98 is the answer of the expression

Step-by-step explanation:

AS it is a simple algebraic expression so these are solved by BDMAS rule which means that we have to solve the brackets first starting from the smaller bracket first which is inside a larger bracket then we will move to Division then multiplication then addition and then subtraction


so the following equation can be written as

= 2^{3}[\frac{1}{4}+4(36/12)]

First of all solving smallest bracket and division inside it

= 2^{3}[\frac{1}{4}+4(3)]

Multplying 4 inside

= 2^{3}[\frac{1}{4}+12]

Now solving the 2³

= 8[\frac{1}{4}+12]

Now solving the expression inside the bracket by taking LCM

= 8[\frac{1 + 4*12}{4}]

= 8[\frac{1 + 48}{4}]

= 8[\frac{49}{4}]

Now multiplying 8 with inside values

= [\frac{8*49}{4}]

AS 8 cuts out with 4 so

= 2 * 49

= 98

which is the answer of the expression



7 0
3 years ago
Answer to de best of yo abilities &lt;3
balu736 [363]
So 7.5 is the answer
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