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DedPeter [7]
2 years ago
12

brian irons \dfrac29 9 2 ​ start fraction, 2, divided by, 9, end fraction of his shirt in 3\dfrac353 5 3 ​ 3, start fraction, 3,

divided by, 5, end fraction minutes. brian irons at a constant rate.
Mathematics
1 answer:
julsineya [31]2 years ago
5 0

At this rate, Brian plans 10/162 of his shirt.

The speed for which Brian iron the shirts is given by

        \frac{2}{9}/\frac{18}{5} = \frac{x}{1}

Cross multiply to get

        \frac{2}{9} =\frac{18}{5}x

Multiply both sides by 5/18 to solve for x.

         \frac{10}{162} = \frac{5}{31}

At this rate, Brian plans 10/162 of his shirt.

learn more Cross multiply :brainly.in/question/34341065

20817

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The length of the base of an isosceles triangle is x. The length of a leg is 3x-5. The perimeter of the triangle is 39. Find X.
frozen [14]

Answer:

x = 7

Step-by-step explanation:

In an isosceles triangle, both legs are always congruent. The length of one leg is given, and the other leg has to be the same. The perimeter of this triangle can be written as:

x+(3x-5)+(3x-5)=39

With this equation, all you need to do is solve for x.

3+3x-5+3x-5=39\\(-5-5)+(x+3x+3x)=39\\-10+7x=39\\7x=49\\x=7

5 0
2 years ago
Does the point (5, 10) satisfy the inequality y>x+5
Elan Coil [88]
No, because if you plug in 10 for y and 5 for x then solve the inequality says 10>10
4 0
3 years ago
Explain this please? I don't understand it
Andrej [43]
Step 1 reason is GIVEN
8 0
3 years ago
How do u find the point in a graph if they are not given to u when u solving changing y over changing x
stiks02 [169]
U would replace x with 0 in the equation and solve and then do the same but with y and those are ur x and y values of ur point
Ex: 2x+5y=15
2(0) +5y=15
5y=15
Y=3
2x+5(0)=15
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3 0
3 years ago
NUMBER 4 DO ANYONE KNOW IT PLEASE HELP
ss7ja [257]

Answer:

The Height of the cliff is 41.5 meters tall.

Option B. 41.5 meters.

Step-by-step explanation:

Given:

AB = 85 meter

Angle of elevation ∠ C= 26°

To Find:

Cliff height = AB = ?

Solution:

In right angle Triangle ABC by tangent Identity we have

\tan C = \frac{\textrm{side opposite to angle C}}{\textrm{side adjacent to angle C}}

Substituting the given values we get

\tan 26 = \frac{AB}{BC}=\frac{AB}{85}

\therefore AB=85\times 0.4877=41.45=41.5\ meters

The Height of the cliff is 41.5 meters tall.

7 0
2 years ago
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