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Ksju [112]
3 years ago
9

A librarian was packing some books.

Mathematics
2 answers:
Illusion [34]3 years ago
6 0
99 books is the correct answer!
salantis [7]3 years ago
4 0

Answer:

99 books in total...

Step-by-step explanation:

You might be interested in
Write the congruency statement for the triangles. _______In triangles MNO and JKL, there are two congruent sides and included an
mafiozo [28]

Answer:

ΔJKL ≅ ΔMNO by SAS

Step-by-step explanation:

The question is incomplete, the question is as following:

ΔMNO is shown.

Which Δ below can be shown to be congruent to ΔMNO with only the given information?

Name the postulate that justifies your answer (SAS, AAS, HL, ASA or SSS).

Write the congruency statement for the triangles.

And see the attached figure which represent ΔMNO

==========================================================

Check the given options to see which triangle from the option will be congruent to ΔMNO

1. In triangles MNO and ABC, there are two congruent sides and non-included angle - which mean (angle - side - side)

The (angle - side - side) Postulate does not exist because an angle and two sides does not guarantee that two triangles are congruent.

2. In triangles MNO and DEF, there are two congruent sides - there is not enough information

3. In triangles MNO and GHI, there are three congruent angles - which mean AAA (angle - angle - angle)

The AAA Postulate does not exist because an angle and two sides does not guarantee that two triangles are congruent. This postulate is used to prove the similarity between the triangles.

4. In triangles MNO and JKL, there are two congruent sides and included angle - SAS (side - angle - side)

MN ≅ JK , MO ≅ JL , ∠M ≅ ∠J

5 0
3 years ago
Given: 3x+1 = -14; Prove: x=-5
Sav [38]

Answer: the most straight-forward way to prove this is to plug -5 in the equation as the value of x. If the the equality holds, it is proven that x=-5:

3x+1=-14       | use x=-5

3(-5)+1=-14

-15+1=-14

-14=-14  --> equality holds --> x=-5 is a solution to 3x+1=-14

6 0
3 years ago
Read 2 more answers
No links please just answers thank you
kompoz [17]

Answer:

1. If x = 4 and y = 8, u = 3x - 4 would make sense because 3x, or 3 x 4 = 12

12 - 4 = 8 y = 8 (True)

2. m = 12 and n = 200 . n = 15m - 20 15 x 12 = 180 180 - 20 = 200 Would not make sense because 180 - 20 is 160 (False)

3. a = 5 and b = 48    b = 48 . 8a + 8 = 8 x 5 + 8 8 x 5 + 8= 48

(True)

4. G = 40 and h = 1000

H = 25g + 300

25g = 1000

1000+300= 1300, not 1000

(false)

3 0
2 years ago
7. If f(x) = x2 – 3x, what is f(5)?<br> a. 4<br> b. 8<br> C. 10<br> d. 16
AveGali [126]
The answer is 10, so it would be C
7 0
3 years ago
Read 2 more answers
Kaylee deposited $1,450 in an account that earns 2.596 interest compounded annually. Which function represents the situation, wh
e-lub [12.9K]

Answer:

f(t) = 1450(1.025)^{t}

Step-by-step explanation:

Given

P =1450 -- principal

r = 2.5\% --- rate

n = 1 --- compounded once a year

Required

Determine the function for compound interest

Compound interest f(t) is calculated as:

f(t) =P(1 + r/n)^{nt

So, we have:

f(t) = 1450(1 + 2.5\%/1)^{1 * t}

f(t) = 1450(1 + 2.5\%)^{t}

f(t) = 1450(1 + 0.025)^{t}

f(t) = 1450(1.025)^{t}

4 0
2 years ago
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