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2 years ago

Jnsxdhcdhcfhbh demdencec ecerfgv yes

Mathematics

2 answers:

MrRissso [65]2 years ago

3 0

Step-by-step explanation:

gvxghhujhggfffffddnnkiouucdss

PIT_PIT [208]2 years ago

3 0

1+1 = ravioli ravioli give me the formuloli

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Janice lost a total of 24 points on her math test. Each question she answered incorrectly was a loss of 3 points. How many quest

NARA [144]

Answer:

let

tp=total points lost

l= points lost

q= question

tp=24

l= 3

if l= 3 and tp= 24 den q= tp÷l

24÷3=8

3 0

3 years ago

Read 2 more answers

56. A small square pyramid of height 6 cm was removed from the top of a large square pyramid of height 12 cm forming the solid s

icang [17]

Answer: I think it's 15,872cm

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3 years ago

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Easy variable question pls help

svet-max [94.6K]

Answer:

z = -4 1/2

Step-by-step explanation:

1. First change the mixed fractions to improper fractions so it's easier

$\frac{16}{5\\}/(z-\frac{1}{2}) = \frac{8}{3}/(z+\frac{1}{3})$

2. Simplify

$\frac{32}{5(2z-1)} = \frac{8}{3z+1}$

3. Cross multiply

$32(3z+1) = 5(2z-1) * 8$

4. Simplify again (distributive property)

$32(3z+1) = 40(2z-1)$

5. Distributive property

$32(3z+1) -> 96z+32$

$40(2z-1) -> 80z-40$

$96z+32=80z-40$

6. Subtract 32 from both sides

$96z+32-32 = 80z-40-32$

7. Simplify

$96z = 80z-72$

8. Subtract 80 from both sides

$96z-80z=80z-72-80z$

9. Simplify

$16z=-72$

10. Divide both sides by 16

$\frac{16z}{16}=\frac{-72}{16}$

11. Simplify

$z=-\frac{9}{2} -> also = -4\frac{1}{2}$

Sorry if it was too long but hope this helps! :)

And also try using symbolab cuz it gives step by step explanations it's really good!

7 0

2 years ago

3/5x = -15 one or two step equations

Ronch [10]

Answer:

x=1/25

Step-by-step explanation:

4 0

3 years ago

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Let A and B be nxn matrices such that AB is singular prove that either A or Bis singular

Alex_Xolod [135]

$\det(\mathbf{AB})=\det\mathbf A\times\det\mathbf B$

Because $\mathbf{AB}$ is singular, we have

$\det(\mathbf{AB})=0$

from which it follows that either $\det\mathbf A=0$ or $\det\mathbf B=0$ .

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2 years ago