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Aleks [24]
3 years ago
11

joshua went on a shopping spree. he bought a backpack, 4 notebooks , 7 games, and a clock. the backpack cost $15.00, the noteboo

ks cost $9.90 each, the games cost $10, and the clock cost $28.00. how much did he spend?
Mathematics
1 answer:
ahrayia [7]3 years ago
5 0
1* $15.00+ 4* $9.90+ 7* $10+ $28.00= $152.60

Joshua spent $152.60~
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Aaron run 6 miles each day for three days. How many miles does she run it all? Write an addition and a multiplication sentence t
artcher [175]
6*3=18 miles in total
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3 years ago
After substituting, what is the first operation performed when evaluating 5 + (9 x minus 3) divide 2 for x = 5? addition multipl
ludmilkaskok [199]

Answer:

<h2>Multiplication.</h2>

Step-by-step explanation:

The given expression is

5+(9x-3) \div 2

For x=5, we have

5+(9(5)-3) \div 2

Notice that the first operation we need to do is multiplication, because that's the right order of operations when we solve these kind of expressions.

5+(45-3) \div 2

Then, we subtract

5+42 \div 2

Now, we divide

5+21

Finally, we sum

26

Therefore, the right answer is multiplication.

4 0
3 years ago
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What is the format of this proof? Given: ∠ABC is a right angle, ∠DBC is a straight angle Prove: ∠ABD is a right angle
satela [25.4K]

Answer:

Given : ∠ABC is a right angle, ∠D BC is a straight angle.

To prove :∠AB D is a right angle.

Proof: ∠ ABC = 90°[ Given]

    ∠ D BC= 180° [ D BC is a straight line]

now, ∠ AB D and ∠ AB C are adjacent angles forming linear pair.

∠ AB D +∠ AB C =180° [By linear pair axiom]

⇒∠ AB D + 90= 180°

⇒∠ AB D=180°-90°

⇒∠ AB D=90°

∠AB D is a right angle

Hence proved.




3 0
3 years ago
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The question is in the picture please explain.
lapo4ka [179]

Answer:

x = 78

Step-by-step explanation:

Look at Triangle DBH. Two of its angles are known. Let y = <DHB

47 + 31 + y  = 180        All triangles have 180 degrees. Combine the left.

78 + y = 180                Subtract 78 from both sides.

78-78+y = 180-78        Combine

y = 102

Notice that y + x = 180   They form a straight line.

102 + x = 180                   Subtract 102 from both sides.

x = 78

You should notice that x is an exterior angle. (I didn't at first).

Exterior angles are the sum of the two remote interior angles which in this case, are 31 + 47 = 78

Much shorter and much easier.

3 0
3 years ago
Radius of circle is 5cm find the largest chord
VARVARA [1.3K]

Answer:

10 cm ....

Step-by-step explanation:

I'm not sure..

3 0
2 years ago
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