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kumpel [21]
3 years ago
9

5d - 7 - d + 4 please help!

Mathematics
2 answers:
Nikolay [14]3 years ago
6 0

Answer: 4d -3

Step-by-step explanation:

slava [35]3 years ago
5 0

Answer:

4d−3

Step-by-step explanation:

5d−7−d+4

Combine 5d and −d to get 4d.

4d−7+4

Add −7 and 4 to get −3.

4d−3

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mrs_skeptik [129]
Combine the like terms

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3 0
3 years ago
What is the area of the two-dimensional cross section that is parallel to face ABC ?
Umnica [9.8K]

Answer:

The area of the two-dimensional cross section is 30\ ft^{2}

Step-by-step explanation:

we know that

The two-dimensional cross section that is parallel to face ABC is a triangle congruent with the triangle ABC

Therefore

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A=\frac{1}{2}(BC)(AB)

we have that

Triangles ABC and DEF are congruent

so

BC=EF=12\ ft

AB=5\ ft

substitute

A=\frac{1}{2}(12)(5)=30\ ft^{2}

8 0
3 years ago
Segment AB has point A located at (4, 2). If the distance from A to B is 3 units, which of the following is the coordinate for p
olganol [36]
The distance between two points is given by:
d² = (x₂-x₁)² + (y₂ - y₁)²
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Now, we can check different ordered pairs in this equation to see which satisfies it:
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3 0
3 years ago
Read 2 more answers
What is the slope of 3x + 4Y = 24
iren [92.7K]
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You are going to subtract 3x from both sides...
than your equation is going to be 4y=24-3x
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6 0
4 years ago
3,047.092 in expanded form.
il63 [147K]

Answer:

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Step-by-step explanation:

7 0
2 years ago
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