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Genrish500 [490]
3 years ago
12

Lee and Dan have the same number of blocks Lee has 20 green blocks and 36 blue blocks Dan has 13 green blocks 23 blue blocks and

some red blocks how many red blocks does Dan have
Mathematics
1 answer:
Charra [1.4K]3 years ago
8 0

Answer:

20 red blocks

Step-by-step explanation:

Lee blocks--20 + 36= 56

Dan blocks 13 + 23 =36  

56 - 36=20

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Find the area of Khianna's fish. I WILL GIVE YOU 90 POINTS. IF IT'S AN IRRELEVANT ANSWER JUST FOR POINTS IT WILL BE DELETED.
Soloha48 [4]

tail: 4.5x5/2=11.25, 4.5x3/2=6.75, 11.25+6.75=18

top fin: 3x2.25/2=3.375, 3x0.75/2=1.125, 3.375+1.125=4.5

bottom fin: 1x1/2= 0.5, 1x0.5/2=0.25, 0.5+0.25=0.75

nose: 4.5x2=9

between tail and body: 2.5x2=5

corners on body: 1.5x0.5/2x4=1.5

top and bottom on body: 0.5x5x2=5

body: 1.5x2+5=8, 2x2=4, 4x8=32

total: 18+4.5+0.75+9+5+1.5+5+32=75.75

total area of khianna's fish is 75.75 cm.

hope this helps

5 0
3 years ago
If you add Natalie's age and Fred's age, the result is 42. If you add Fred's age to 3 times
Alla [95]

Answer:

N+F=42 & F+3N=70 System Solved: Natalie is 14 and Fred is 28

Step-by-step explanation:

Using variables N=natalies age and F=Freds age

N+F=42 ----> N=42-F (take this and plug it into the other equation)

F+3N=70 so F+3(42-F)=70 [simplify] F+126-3F=70 [further simplify]

-2F=-56 [divide -56 by -2] F=28 [then plug this number into the orig. equation]

So N+28=42 or N=14.

5 0
3 years ago
Graph the line with slope 4 and y-intercept -9
Monica [59]

go down to (0, -9) on the graph, from there go up four and over one and plot the next point, up four over one again, and repeat

7 0
3 years ago
In how many ways can you seat 5 women and 5 men in a row if women must seat next to each other,men must seat next to each other,
makvit [3.9K]

Answer: 288ways

Step-by-step explanation:

There are 5men and 5women to be arranged, since the men must seat together, they will be arranged in 5! ways. For the women, since they must also seat together but with siamese twins between them, they can be arranged in 4! ways instead of 5! ways and this is due to presence of the twins among them.

Note that Siamese twins cannot be separated as such both are taken as one making it 4!.

Since the women and men are always sitting together, they can be arranged in 2! ways i.e 2 sexes

The final seating arrangement can be done in 2!×(5!+4!) ways

= 2× (120+24)

= 2×144

= 288ways.

Note that the arrangement of the men and women are added because they can only be arranged differently to ensure different sex are not sitting together.

8 0
3 years ago
What is the selling price of a $12,543 boat if a $758 discount is given?
Lelu [443]
Given:
Selling Price: 12,543
Discount: 758

We simply deduct the discount from the original price to get the discounted selling price.

12,543 - 758 = 11,785

The new selling price of the boat is $11,785.

Discount of $758 is 6% of the Original selling price.
758 / 12,543 = 0.06
0.06 x 100% = 6%

8 0
3 years ago
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