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IrinaVladis [17]
2 years ago
15

4. Solve by factoring: 10 = x2 – 3x,

Mathematics
1 answer:
Delvig [45]2 years ago
5 0

Answer:

x=−2 or x=5

Step-by-step explanation:

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The figure below shows the design of a truss to support the weight of a roof. In this truss design, ∠A⩭∠D and ĀF⩭DF.
bearhunter [10]

Answer:

m\angle A= 30^{\circ}

Step-by-step explanation:

In the question, we're given \angle A\cong \angle D. Therefore, the measure of these two angles must be equal.

To find the value of x, set these two angles equal to each other:

4x-26=x+16

Add 26 and subtract x from both sides:

3x=42

Divide both sides by 3:

x=\frac{42}{3}=14

Since \angle A was labelled as 4x-26, substitute x=14 to find its measure:

\angle A=4(14)-26,\\\angle A=56-26,\\\angle A=\boxed{30^{\circ}}

You can also substitute x=14 into the label of angle D as angle A is congruent to angle D for easier calculations (14+16=\boxed{30^{\circ}}).

5 0
3 years ago
Can u guys pls help me on this question and pls explain how u got the answer
frosja888 [35]

Answer:

17.4

Step-by-step explanation:

side 1=4.5

side 2=4.5

side 3=4.5

base 1=3.9

17.4

4 0
2 years ago
A cylinder has a circular base with a radius that measures 9 inches. Determine the diameter of the base of the cylinder. 3 inche
yarga [219]
It is 18 because the radius is half the diameter and 9 x 2 = 18.
4 0
3 years ago
Read 2 more answers
A small theater had 9 rows of 25 chairs each. An extra 7 chairs have just been brought in. How many chairs are in the
Alchen [17]

Answer:

232

Step-by-step explanation:

9 x 25 = 225   225 + 7 = 232

another way to find it

9 x 20 = 180   9 x 5 = 45   180 + 45 = 225 + 7 = 232

8 0
2 years ago
David records the number of visitors to the snake exhibit each day for 6 days .His data are shown in the table .If admission is
Ainat [17]

Answer:

\$1,176

Step-by-step explanation:

<u><em>The complete question in the attached figure</em></u>

we know that

To find out how much money the total snake exhibit earned in 6 days, add up the total number of visitors to the snake exhibit each day for 6 days and multiply that by the cost of admission per person

so

Find the total number of visitors for 6 days

30+25+44+12+25+32=168\ visitors

Multiply the total number of visitors by the admission cost per person

so

168(7)=\$1,176

7 0
3 years ago
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