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3 years ago

Complete the following statement about the given rectangular and triangular pyramids:

Mathematics

1 answer:

Reptile [31]3 years ago

7 0

Answer:

getting pointhdnndndmdkdkdnsnkss

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How do you write 27 in standard form?

dmitriy555 [2]

Answer:

Cardinal: twenty seven

Ordinal: twenty seventh

Step-by-step explanation:

hope this helps!!!!!!

3 0

3 years ago

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Please help me with this Geometry question

Lelu [443]

Answer:

Given that JN was bisected, JL ≅ LN

Given that KM was bisected, KL ≅ ML

∠JLK ≅ ∠MLN because of vertical angles.

∠JLK is contained by JL and KL.

∠MLN is contained by ML and LN.

Therefore ΔJKL ≅ ΔNML by the SAS postulate.

Step-by-step explanation:

The SAS postulate states that when you know two triangles have an equal angle, and that angle is formed by two sides that are equal in both triangles, the two triangles are congruent.

When a line is bisected, it means it was cut in two equal parts.

Since two lines were bisected and each form a side in the triangles, two sides are congruent.

The contained angles, ∠JLK and ∠MLN, are equal because of vertical angles. Vertical angles occur when two straight lines intersect. Angles that are opposite to each other are equal in all cases.

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3 years ago

Real numbers worksheet<br> Help please and ty

Rina8888 [55]

Answer:

1. 30 → real, rational, integer, whole number, natural number

2. •11 → real, irrational

3. 5 ⁴/7 → real, rational, integer

4. √21 → real, irrational

5. 0 → real, rational, integer, whole, natural

6. -√9 → real, rational, integer, whole

7. 6/3 → real, rational, integer, whole, natural

8. π → real, irrational

9. 5⅔ → real, rational, integer

Step-by-step explanation:

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3 years ago

Solve the equation<br> 4.8y-6.9=3.18<br> Explain your thinking

Alex777 [14]

4.8y - 6.9 = 3.18
4.8y= 3.18 + 6.9 (I added 6.9 to both sides)
4.8 y = 10.08 (I added 3.18 by 6.9)
y = 2.1 (I divided 4.8)

Hope this helps!!

5 0

3 years ago

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Can teachers see how much time you spend on Delta Math?

NARA [144]

Answer:

Yes

Step-by-step explanation:

Short answer- yes.

Long answer- The Student Last Action feature allows teachers to see the last date and time that a student did something on DeltaMath. DeltaMath has several tools that help teachers manage student accounts. Once a student's account is created, a teacher can add the student to one or more classes.

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2 years ago