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dimulka [17.4K]
3 years ago
13

What are the partial products of 42x5?

Mathematics
2 answers:
tamaranim1 [39]3 years ago
6 0
40 x 5 = 200
2 x 5 = 10

42 x 5 = 210
polet [3.4K]3 years ago
4 0
(40×5)+(2×5) so 40×5=200 and 2×5=10 so 200+10=210
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A family wants to remodel a house and spend at most $135,000 total for the entire project. a)If the builder wants to make a 15%
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Jjjbbjujbujbb. In un cmk bye j Sheeeeeeeesh
3 0
3 years ago
Please help I dont understand
riadik2000 [5.3K]

Answer:

2.1

Step-by-step explanation:

By the Law of Cosines,

a² = 5² + 6² - 2(5)(6)cos(20°)

a = sqrt(5² + 6² - 2(5)(6)cos(20°)), which is about 2.1

7 0
2 years ago
To the nearest tenth, find the perimeter of ∆ABC with vertices A(-1,4), B(-2,1) and C(2,1). Show your work.
Sladkaya [172]
A=(-1,4)=(xa,ya)→xa=-1, ya=4
B=(-2,1)=(xb,yb)→xb=-2, yb=1
C=(2,1)=(xc,yc)→xc=2, yc=1

Perimeter <span>of ∆ABC: P=AB+BC+AC

AB=d A-B=sqrt [ (xb-xa)^2+(yb-ya)^2 ]
AB=sqrt [ (-2-(-1))^2+(1-4)^2]
AB=sqrt [ (-2+1)^2+(-3)^2]
AB=sqrt [ (-1)^2+9]
AB=sqrt [ 1+9]
AB=sqrt [10]
AB=3.162277660

</span>BC=d B-C=sqrt [ (xc-xb)^2+(yc-yb)^2 ]
BC=sqrt [ (2-(-2))^2+(1-1)^2]
BC=sqrt [ (2+2)^2+(0)^2]
BC=sqrt [ (4)^2+0]
BC=sqrt [ 16+0]
BC=sqrt [16]
BC=4

AC=d A-C=sqrt [ (xc-xa)^2+(yc-ya)^2 ]
AC=sqrt [ (2-(-1))^2+(1-4)^2]
AC=sqrt [ (2+1)^2+(-3)^2]
AC=sqrt [ (3)^2+9]
AC=sqrt [ 9+9]
AC=sqrt [9*2]
AC=sqrt [9] * sqrt [2]
AC=3 sqrt [2]
AC=3 (1.414213562)
AC=4.242640686

P=AB+BC+AC
P=3.162277660+4+4.242640686
P=11.40491834
To the nearest tenth:
P=11.4

Answer: <span>The perimeter of ∆ABC is 11.4 units</span>
7 0
3 years ago
Which of the following is a correct interpretation of the expression -7 - (-11)
shepuryov [24]

Answer:a

Step-by-step explanation:

7 0
2 years ago
In 1989, a typical modem could transfer 2.4 kilobytes, or 2,400 bytes of information per second. Today, a typical modem can tran
den301095 [7]

Answer:

641 times

Step-by-step explanation:

Rate of transfer in 1989

2.4 kilobytes per second

Rate of transfer in a typical modem

1000 kilobyte per 0.65 seconds

Transfer per second for typical modem

1000/0.65=1538.461538  kilobyte per second

Comparing typical modem to 1989

\frac {1538.461538 kilobyte/s}{2.4 kilobyte/s}

=641.025641  times faster

Rounding off, this is 641 times faster

Therefore, ans=641 times

6 0
3 years ago
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