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UNO [17]
3 years ago
14

Write an expression for the calculation double the product of 4 and 7

Mathematics
1 answer:
Dimas [21]3 years ago
8 0
Double means times 2.
Product means multiplication.

So the answer is 2(4*7)

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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
What is an equation of a line that passes through the point (3,-1) and has a slope of 2
kogti [31]

Answer:

y=2x-7

Step-by-step explanation:

y-y1=m(x-x1)

y-(-1)=2(x-3)

y+1=2x-6

y=2x-6-1

y=2x-7

8 0
2 years ago
Give the most precise selection
Art [367]

Answer:

I think square

Cause it is having 4 sides and in ur question the were 4 vertuces so i think its a square

8 0
3 years ago
Read 2 more answers
Owen simplified the expression r-8 s-5.<br><br><br>r−8s−5 =  1r8  ⋅ s5 =  s5r8
kobusy [5.1K]

r⁻⁸ s⁻⁵

using the rule x⁻ⁿ=1/xⁿ

r⁻⁸ s⁻⁵ = (1/r⁸)(1/s⁵)

6 0
3 years ago
Read 2 more answers
Which table represents the same linear relationship as y = 3x - 2?
Trava [24]

Answer:

Table 4  represents the same linear expression  as y = 3 x - 2.

Step-by-step explanation:

Here, the given expression is y = 3 x -2

So now check the any random pair of each table by putting in the given equation.

<u>TABLE 1 :  (2,-5)</u>

y = 3x -2  ⇒  -5 = 3(2) -2

or, -5 = -4 , NOT POSSIBLE

<u>TABLE 2 :  (0,3)</u>

y = 3x -2  ⇒  3 = 3(0) -2

or, 3 = -2 , NOT POSSIBLE

<u>TABLE 3 :  (1,2)</u>

y = 3x -2  ⇒  2 = 3(1) -2

or, 2 = 1 , NOT POSSIBLE

<u>TABLE 4 :  (1,1)</u>

y = 3x -2  ⇒  1 = 3(1) -2

or, 1 = 1 ,  POSSIBLE

checking for (2,4)

4 = 3(2) - 2  ⇒4 = 4 POSSIBLE

Here, table 4 satisfies the given points in the expression y = 3x -2

Hence, it represents the same linear expression .

3 0
3 years ago
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